Emotional Competency

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Theory of Knowledge
Deciding what to Believe

How do you decide what to believe? Friends tell you one thing, authorities say something else, and the evidence points in yet another direction. Truth is correspondence with reality. Because we are deluged by a constant flood of information from a wide variety of sources, each of us must evaluate and decide for ourselves what information is reliable and what is not. The theory of knowledge can guide us in deciding what to believe, what to ignore, what to question, and what we don't know. It separates well-founded beliefs from assumptions, rumors, and myths.  Don't be fooled; know how you know.

Definitions

  1. How we decide what to believe.
  2. Evaluating information.
  3. Assessing credibility.

The theory of knowledge provides answers to the important questions: “How do you know?”, “How do you know?”, and “How do you know?”

Related Terms

The branch of philosophy dedicated to the formal study of the theory of knowledge, including the nature, methods, limitations, and validity of knowledge and belief is known as epistemology. Critical thinking is the mental discipline of discernment, analysis, and evaluation. It is purposeful and reflective judgment. People who apply an effective theory of knowledge are considered inquisitive, prudent, vigilant, scrupulous, meticulous, and wise. People who lack a theory of knowledge are described as gullible, naïve, green, easily duped, foolish, or a sucker.

Journalism StandardsExternal Link are the practices used in obtaining and reporting newsworthy events. These practices typically consider the principles of: truthfulness, accuracy, objectivity, impartiality, fairness, and public accountability. Opinions and advertisements are clearly separated from news, excerpts are presented in context, sources are attributed, facts are checked with multiple independent sources, contrasting views are included, and other precautions are taken to increase the reliability of the reports.

Information Sources

We typically consult a wide variety of information sources to form the many off-hand opinions we arrive at each day. Although much of the information we are exposed to is inconsequential, it is essential to obtain reliable information before making important decisions and choosing your most important and consequential beliefs. A variety of information sources are described below, with a discussion of their reliability, limitations, inaccuracies, errors, and difficulties.

Evidence

We directly observe the world every day. We can see for ourselves that the sky is blue and the grass is green. We can easily feel that the sun is warm and ice is cold. We can hear dogs bark and birds chirp. Certainly first-hand examination of direct evidence is the most reliable basis for forming beliefs. People rarely dispute these easily verified matters of fact. Disputed beliefs usually arise when direct evidence is not readily available, incomplete, ambiguous, or is open to a variety of interpretations.

Direct evidence is the only primary source of information, therefore it is the most reliable. However it can still be overlooked, ignored, misunderstood, misrepresented, misinterpreted, discounted, or misapplied. Errors or limitations in observation, measurement, equipment operation, equipment usage, handling, identifying, or storage can all contribute to the unreliability of evidence. Beware the tyranny of evidence!

Evidence that challenges strongly-held beliefs is particularly difficult to accept and interpret fully and accurately. A long list of logical fallacies and a wide variety of common mental distortions make it difficult to interpret and apply even the most reliably gathered information and evidence. False or implicit assumptions, perception sets; long-held beliefs, explanations, viewpoints, and theories, unfounded beliefs, denial, deception, ignorance, comprehension limits, ego involvement, arrogance, certainty, interest in a particular outcome, wishful thinking, taboos; limits of inquiry, examination, skepticism, or imagination, and many other mental obstacles can easily distort our interpretation of evidence. Learn to identify and compensate for these errors in thinking and reasoning. Revise your beliefs and worldview to accurately include and account for all the evidence.

Opinions run most wild where evidence is least available. Evidence is most valuable when it can be independently verified. Truth is correspondence with reality. Carefully examine the real world.

Experts

When it is inconvenient for us to examine evidence first-hand, we typically rely on findings from people or published sources recognized as topic experts to form our opinions. A true expert derives authority from the unique information, experience, skill, or talent they command. We rely on secondary information whenever we consult experts. Errors can easily be made in communicating our questions, misunderstanding their explanations, misapplying what they say, or choosing a source  unreliable for the topic being investigated. Even reliable experts often differ from other reliable experts on difficult, ambiguous, or unresolved issues. Influential people may be consulted or offer opinions well outside their areas of expertise. A common example of this is when movie stars or other celebrities advocate political positions or speak out on social or technological issues that are outside their areas of expertise.

To get reliable information ensure the source you are consulting is truly expert in the topic you are investigating. Investigate beyond their formal credentials to understand the basis, scope, and limitations of their expertise as it pertains to your specific topic. Ensure there is a clear understanding of what you are seeking to find out and what the expert is seeking to communicate. Explore and understand the limits of the expert's knowledge along with the sources, scope, application, and relevance of their information.

Experts are rarely independent. Know the affiliations, special interests, and business, social, and family connections of the expert you are consulting. Any of these connections or experiences can influence the expert to provide biased information, either knowingly or unknowingly. As an example, pharmaceutical companies often employ medical doctors. When these doctors provide advice it may appear they are providing a well-rounded opinion on a particular disease, treatment, or symptom when in fact they are simply advocating the particular drug product they are affiliated with. This can happen more subtly if the doctor was a researcher working on some particular disease or developing a particular treatment. Although the doctor is not paid to advocate a solution, his background and affiliations still favor a particular viewpoint.

Sales people collect commissions, financial advisors collect brokerage fees, lawyers bill by the hour, doctors learn from pharmaceutical sales agents, councilors and therapists charge by the session, and religious leaders advocate their particular chosen faith. While each of these professionals may be well intentioned and may have valuable expert knowledge, they also have significant vested interests in advocating a particular solution. You may be the only person who can put your own interests first. Don't abdicate your responsibility to make your own informed decisions; consult a variety of sources before drawing your own conclusion.

Authority

The English language use of the word “authority” has two very different meanings. One meaning describes power—such as the right to control, command, or determine—and the other describes expertise—an accepted source of information. A person may gain authority through appointment to a powerful position. This positional power and the accompanying authority is often independent of any expertise or relevant knowledge they may have. Unfortunately this may not prevent them from answering questions, providing information, or offering advice that goes beyond their direct knowledge. A simple example of the problems this can cause is asking the cashier an opinion about a product sold in the store. Although the cashier may have no relevant knowledge, they may go ahead and offer their unfounded opinion as if they are actually expert.

In the mid 1600's when it came to deciding if the earth was the center of the universe, the Pope had the authority but Galileo had the expertise. The Pope got it wrong, and forbid Galileo from ever dissenting. Don't confuse power, title, celebrity, or credentials with expertise or a reliable source of accurate information.

The cautions and limitations described above for an expert are even more relevant for an authority who is relying on positional power rather than expertise. It is often their job to provide biased, partial, or even misleading information.

Estimates, Forecasts, and Other Projections

ForecastEstimates, interpolations, extrapolations, statistical results, forecasts, opinions, and conjecture are inherently less accurate and reliable than correctly examined direct, relevant, evidence. Be certain to distinguish these projections from direct evidence. Understand and communicate the limits of the accuracy of these indirect information sources. Understand the types and extent of error introduced by the various methods used to make these projections. Understand, apply, and report this projected information as a range of values or as a statement of probability.

Do not mistake estimates or forecasts for precise and accurate data.

The Scientific Method

The scientific methodExternal Link relies on controlled experiments that are carefully designed to disprove a specific hypothesis—a tentative explanation or proposition. Full disclosure of the experimental methods used and results obtained allows others to independently replicate experiments and verify results. If a variety of experiments carried out by a number of independent experimenters each fail to disprove the hypothesis, then the hypothesis becomes well accepted and is called a theory or natural law. This conscientious failure to disprove the theory provides evidence that the theory is correct. A theory can never be proven, it can only fail to be disproved. The extent of the efforts to disprove the theory establish the degree of confidence in the theory. The goal of many theories is to describe the cause for some effect observed in the universe. The theory of gravityExternal Link precisely describes apples falling to the earth and the orbits of the moons and planets. It was first proposed by Isaac Newton in 1687. Since then it has never been disproven, although it scope has been clarified and it has been extended and generalized by Einstein's general theory of relativity, published in 1915.

The scientific method is generally accepted as the most reliable way to test a hypothesis.

Ambiguity

We often face ambiguous information—information that can be reasonably interpreted in several different ways. Did he fail to call me back because he was busy, he forgot, he is plotting against me, or because he is angry with me? We are often quick to resolve this uncertainty in our own minds; we make up an answer and begin to believe it. Our minds insist on completing the story one way or another, often by making unfounded assumptions and speculations. We are prone to make attribution errors that we soon regard as factual explanations. Partial or fragmented information, rumors, gossip, sound bites, vague statements, homonyms, garbled or inaudible speech, blurry images, inconsistencies, incongruence, unstructured or incoherent presentations, and fleeting glimpses present uncertainty every day.

Be aware of ambiguity and the assumptions we make to resolve it. Increase your tolerance for ambiguity as you work to resole it. Become comfortable with complexity as you seek elegance. Suspend judgment, investigate, identify and challenge assumptions, ask questions for clarification, and get the facts before deciding.

Anecdotal Evidence

Isolated examples can be cited as evidence for or against any premise, idea, or position. As an example, consider a discussion on the dangers of driving while under the influence of alcohol. One person may tell a story of someone they know who was killed by a drunk driver. Another may boast they have driven home drunk many times and never had an accident. Neither argument advances the discussion or increases understanding; it generates more heat than light.

Dismiss anecdotal evidence in favor of systematic evidence and analysis. In this case it is helpful to cite that the National Highway Traffic Safety Administration's Fatality Analysis Reporting System reported 15,945 alcohol-related highway deaths in 2006 in the United States out of a total of 38,588 fatal crashes.

Superstitions, good luck charms, gambler's rituals, magic spells, incantations, and other attempts to change random outcomes are often justified based on anecdotal evidence. There is no systematic evidence that these rituals have any effect. The justifications are often examples of a Post hoc ergo propter hoc fallacy or of unfounded optimism, intentional stance, or magical thinking.

Anecdotal evidence is often used to defend strongly-held beliefs that are not supported by systematic evidence. The biases of racism, sexism, ethnic superiority, xenophobia, homophobia, and other divisive beliefs based on ignorance, tradition, fear, or hatred are often prolonged by anecdotal evidence.

Do not generalize from anecdotal evidence, instead seek out systematic evidence.

Statistics

Standard Deviation DiagramStatistics are used to summarize, characterize, analyze, and interpret large collections of data. Statistics and statistical analysis are essential tools for making informed decisions based on systematic evidence. In addition to reporting measures such as the mean, median, and range of variables, specific statements about the accuracy, limits, confidence, and error range can also be made. Statistical analysis begins by identifying a population to be studied. A sample is then chosen to represent the entire population. For example, to estimate the average height of Caucasian American males aged 25-35, a sample of perhaps a few dozen to a few thousand individuals fitting that description would be selected and the height of each is then measured. The arithmetic mean is then calculated over that sample and reported. In addition, the tallest and shortest measurements could be reported, along with the percentage found to be in particular height ranges.

Statistics provide very powerful techniques for understanding data, however errors can easily occur by mistake or in a  deliberate attempt to mislead or deceive. The height example described above can illustrate some of these errors. The sample may not accurately represent the population, or the population may not be accurately described. For example, if the ages of some men in the sample fell outside the range of 25-35 years, or some were not Americans, or they were not chosen at random from the entire population, or some classes of men, such as those who are seriously ill, or disfigured, or dwarfs are excluded then the actual sample does not accurately represent the population. If the results of this study are used to represent the heights of all men, or men of a different age, or from another part of the world, no valid conclusions can be drawn. If the sample is too small, containing perhaps only 3 men, the results cannot be accurately extrapolated. Several measures of central tendency are commonly used. These are the mean, median, and mode. The statistician or the user of the analysis may misunderstand or misapply the definitions, limitations, and applications of these measures. Many other errors are possible as the application becomes more complex.

When evaluating statistical results it is also important to keep in mind that correlation does not prove causation. For example, although salary is positively correlated with body weight, gaining weight does not cause salary increases. Very often some not-yet-understood variable is causing the correlation. In this example, as a person gets older both their weight and salary tend to increase.

Statistics provide powerful tools for understanding data. Like all powerful tools they can be used to solve difficult problems, and they can also be dangerously misused, misapplied, or misunderstood. Understand how the statistics were gathered and analyzed before basing your conclusions on them.

Influence

Opinions can easily be swayed, especially if they are not yet fully and carefully formed. Influence—attaining belief—originates and accumulates from many sources, including: observation, listening, dialogue, suggestion, recommendation, advice, opinion, education, reading, advertisements, indoctrination, propaganda, censorship, counseling, peer pressure, and habits. Most of our experiences are influenced by others. So what we may consider free choice is actually constrained and influenced by the information we are exposed to and believe to be true. Even apparently objective information gathering activities such as unfettered observation are influential because the environment we are observing represents only a tiny fraction of the world. In any observation session you will be seeing some phenomena and not seeing many others. As a result, your conclusions are inherently based on partial information, and may not accurately represent the larger system. Influence is ubiquitous, insidious, and unavoidable. Be aware of the influences that lead to each of your decisions.

Power

Power increases influence. Powerful people get more opportunities to address larger audiences with their messages. More resources are available to research, present, persuade, and reiterate the message. Audiences are more readily available. They have the resources to dispute or suppress alternative viewpoints and conflicting messages.

But might does not make right. The sugar water relentlessly promoted by Coke and Pepsi directly contributes to obesity and diabetes. The addictive tobacco products sold around the world directly cause lung cancer and other deadly diseases. Big drug companies and health insurance agencies decide what diseases we are allowed to receive treatment for. As media companies continue to consolidate, their message becomes the only message we hear. While these powerful organizations continue to promote their harmful and selfish myths, the faint voices of reason are fragmented and more difficult to seek out.

What did you say?

Many of us find particular styles of charismatic language alluring, almost seductive. We are fascinated, almost mesmerized, by the words as pleasant images drift through our minds and sooth our souls. (I admit to being a bit envious.) Unfortunately, scrutinizing the language often reveals it as meaningless, irrelevant, untestable, illogical, or unfounded. As a test, examine a typical persuasive sentence or passage to identify the premise and the conclusion, if either exist. Explicate and analyze the syllogismExternal Link. It may be helpful to first restate the passage in your own words. Then examine the premise to understand its foundation and factual basis. Next, examine the logic used to derive the conclusion from the premise. Does the conclusion follow logically from the premise? Is the conclusion accurately stated? Are any logical fallacies, or distortions being used? Are literal truths being used to send a false message? Is the conclusion helpful?

Deception

We are deceived whenever we are led to believe something that is not true. This can result from propaganda, distraction, concealment, half-truths, mistakes, gossip, rumors, falsehoods, hoaxes, and lies. Using literal truths to send a false message is a common form of deception. Unrepresentative evidence, statements out of context, unfounded extrapolations or projections, overgeneralization, inaccurate analogies, emotional manipulations, false dichotomies, inaccurate interpretations of facts, censorship, charisma, and threats are common manipulations that can easily deceive us. Much of what we see and hear is inherently deceptive because it is intended to advocate a single point of view and advance some vested interest. Deception is ubiquitous, and it is our responsibility to discern the truth.

Don't be gullible. Curiosity and skepticism are our best defenses against deception. Obtain independent opinions from sources representing a variety of interests and viewpoints before making important decisions. Use only reliable sources. Extend trust cautiously.

Points of View

Every single viewpoint we are exposed to is one-sided, and therefore inherently biased. Advertisements, infomercials, sales pitches, product descriptions, presentations, preaching, advocating, proselytizing, stock tips, financial advice, healthcare advice, nutritional advice, sermons, movie reviews, résumés, political speeches, press releases, and editorials each present only a single viewpoint intended to advance a special interest. Even media news stories, educational material, books, and websites (including this one) typically present only a limited point of view. Vested interests are ubiquitous and represent only one side of the story. It is our responsibility to find and understand the other sides of each story. Our understanding is incomplete and unreliable until we can attain and comprehend a neutral point of viewExternal Link of the topic.

Young Old LadyAs an example, the website shuteye.com appears to provide valuable information on overcoming insomnia along with other helpful advice on how to get a good night's sleep. A closer look reveals it is sponsored by “sleep solutions from sanofi-aventis” a drug company that sells sleeping pills. They are selling their product under the pretense of providing public service information. The wolf is wearing sheep's clothing.

How old do you estimate the woman is in the image on the right? If you see a young woman, look again, adopt new viewpoints until you can see the old woman. If you see an old woman, look again to see the young one. Both of these viewpoints are equally valid, but each is only part of the complete picture. Each of these viewpoints can be correctly and strenuously argued as being correct. It is only when you see them both that you fully understand the image.

The most strongly biased viewpoint in the world is your own. First-person viewpoint is the fundamental asymmetry of humanity. Test the validity of your viewpoint by considering equivalent symmetrical points of view. For example, if you believe that you deserve to go to the front of the line, do you also believe that everyone else in line also deserves to go to the front? If you believe your faith is the true faith, are you willing to believe that other faiths are equally true?

Somatic Markers

People often base decisions on how they feel, snap judgments, impulses, or intuition. It is certainly faster and easier than analysis, investigation, and deliberation.

Feeling Certain

Feeling certain is typically more comfortable than feeling uneasy, conflicted, ambivalent, undecided, or uncomfortable. It is remarkable that the primary outcome we attribute to cognition is most accurately represented as a feeling. What is going on here?

In his book On Being Certain, author Robert Burton describes the feeling of knowing as a pleasant sensation that arises involuntarily, analogous to feelings of strangeness, familiarity (déjà vu), and realness. This feeling arises when the mind's sensory systems autonomously detect a pattern of unconscious thought that may be correct, important, or useful. It cannot be triggered by conscious effort, but may be experienced as a moment of particular clarity. This is our basis for saying “I know”. This feeing of knowing is more the result of physiology than of logic. As a result it can cause us to hold firmly to beliefs that do not have a strictly logical basis. “I can't explain it, I know it might not make logical sense but I know it is true” is a typical preface used to introduce strongly held convictions arising from gut feelings, intuition, a hunch, hope, or faith. This belief may then be rationalized, after the fact, through faulty logic, unrepresentative evidence, or other form of self justification. This strengthens your conviction in the belief without establishing any valid evidence-based foundation for it.

Because these firmly held beliefs do not originate strictly from logic, they are immune from logical argument and persuasion. This is at the root of our difficulties in holding rational discussions on emotionally charged topics such as religion and politics.

Examine how you know. The feeling of knowing can arise with or without a firm logical basis and lead to an unshakable sense of conviction. Internal bias and misplaced feelings of knowing often overpower and outfox even the best intellect. If you feel certain you know something, but cannot describe its logical or empirical basis, then take care to describe it as your belief, not as a certainty. Be accurate with the distinction between I feel certain and I am certain. Do not mistake clarity for certainty. Being certain when being wrong is often very damaging. Review the empirical evidence before claiming “I know what I know”.

Impairments

Stupid DrunksIt seemed like a good idea at the time, unfortunately I happened to be drunk. Drugs, alcohol, sleep deprivation, fatigue, hunger, medications, pain, addictions, obsessions, stress, excitement, overwork, overload, time pressure, coercion, indoctrination, anger, emotional states, emotional involvement, attachment, aversion, distractions, multitasking, phobias, dizziness, vertigo, trance, disease, and many other conditions impair our perceptions, cognitive abilities, judgment, and memories. Decisions made under these conditions have to be carefully reconsidered with a clear head. I believe I'll reconsider this when I am sober. Sleep on it, the world may look very different to you tomorrow. Choose mindfulness—a full awareness of the present realities—over impairment and  distortion.

Acquaintances

“Lots of my really cool friends smoke cigarettes, so maybe I should start smoking”. Reasoning like this is all too common, even though the factual foundation for the decision is often unknown and may not exist. The fallacy of circular reasoning is often the only logic being used here. If the circle of friends turn first to each other for guidance, then their information, opinions, and decisions are unanchored by external evidence or transcendent values. Their ideas and beliefs drift freely without constraint, wandering were ever the group decides to go. Popularity breeds popularity, and popular opinion can breed consensus without any substance, skepticism, critical thinking, or relevant facts. Compliance quickly becomes automatic.

It is not enough to go along with the crowd. Find out where the crowd is going, why they are heading there, and if it is the best direction for you to go, now and in the long term. Listen to others outside the crowd. Carefully choose helpful role models and mentors. Humans are not sheep; don't go along just to get along. You are a competent, autonomous adult. You are fully responsible for all your decisions and beliefs. Have the courage to question. Make your own decisions, choose your own beliefs, act congruently with your values.

The Fragile Wisdom of Crowds

Under certain conditions aggregating information in groups results in decisions that are often better than could have been made by any single member of the group. Criteria that separate wise crowds from irrational ones are:

  1. Diversity of opinion—Each person has private information even if it's just their own quirky interpretation of the known facts.
  2. Independence—People's opinions aren't determined by the opinions of those around them.
  3. Decentralization—People are able to specialize and draw on local knowledge, and
  4. Aggregation—Some mechanism exists for turning private judgments into a collective decision while maintaining the required independence of each judgment.

When these conditions are not met, crowds often make very bad decisions.

Keep these distinctions in mind when evaluating decisions made by crowds, including popular opinions and trends.

Informational Cascade

When we are undecided we often look to others for clues to the right or expected answer. If a vote on a complex or confusing issue is taken sequentially, so that each person sees the vote of the person who preceded them, the first vote cast may influence the next person to vote the same way. As a result the decision of the first voter gets amplified and validated by each subsequent vote. What began as an equivocal issue quickly became a landslide. Informational  cascades contribute to trends, fashions, public opinions, crazes, hoarding, and other fads. Beware! Pursue collective wisdom and avoid collective folly.

Analysis and Synthesis

The ancient Greeks believed the universe was composed of only the four elementsExternal Link air, water, fire, and earth. This seems entirely reasonable when examined only from a human scale. The land is made of earth, the atmosphere of air, the oceans of water, and the sun of fire. But this idea clearly breaks down when considered from a reductionist (analytical, drill down) view—can these elements be further decomposed? Taking a reductionist view, we now know that air is composed of oxygen, nitrogen, and several other chemical elements. These elements in turn are composed of electrons, protons, and neutrons. These sub-atomic particles are composed of quarksExternal Link, and the reductionist story may not even end there. The idea also breaks down when considered from a holistic (synthesis, frame up) view—are these elements sufficient to comprise the entire universe? Taking a holistic view, we now know that the sun is made of hydrogen and helium and the heat is generated from nuclear fusion, not fire in the ordinary, earthly, chemical sense. The universe is composed of at least 117 distinct chemical elements and held together by the forces of gravity, electromagnetism, and the strong and weak nuclear forces. The holistic story does not end there because much about the makeup of the universe is still a mystery, including the nature of dark matter and dark energy.

Facts are our friends. When a new viewpoint or new evidence emerges that is inconsistent with your present beliefs, it may be time to rethink and revise those beliefs. Accept and assimilate what is.

Test your beliefs by examining them from a variety of reference frames. What happens when we drill down to a much smaller and more detailed scale? What happens when we frame up to a larger and more comprehensive scale? Test your beliefs by subjecting them to the analysis of reduction and the synthesis of holism. Integrate your beliefs into a  coherent whole that is consistent with the broadest collection of evidence.

Expanding Worldview

Perhaps the ancient Greeks believed that Zeus lived on Mount Olympus and was the king of the gods. Perhaps faithful people could hold onto this quaint belief as long as they stayed close to home. But as people explored more of the world they soon recognized that Mount Olympus is not a particularly large mountain, chariots are not a very wide-spread transport vehicle, and climbing Mount Olympus fails to reveal the home of the gods. As your worldview expands to consider more of the universe, it is likely your beliefs will have to be modified to accommodate this broader expanse of information, experiences, and phenomenon.

Earth RiseHere are examples of how beliefs have evolved to accommodate our expanding knowledge as the scope of our evidence and understanding continues to expand.

  • Believers in a flat earth were challenged to revise their thinking centuries ago as sailors circumnavigated the earth.
  • Believing the earth is the center of the universe became increasingly unreasonable as astronomers viewed more and more of the universe. Beliefs evolved from the earth at the center of the universe, to the earth as one planet circling the sun.
  • As billions of sun-like stars were discovered throughout the universe, we could begin to believe that some of these stars have their own solar systems.
  • As planets were discovered circling other stars we could begin to believe that planets are common and their may be billions of them in the universe.
  • As we accept the likelihood that billions of planets exist, we can begin to believe that intelligent life exists throughout the universe.

In another example, American's beliefs about freedom and equality have expanded over time.

  • When the declaration of independence was signed on July 4, 1776, the bold phrase: “All men are created equal” meant that a few white aristocratic men no longer agreed to obey King George III.
  • On November 19, 1863 Abraham Lincoln called for “a new birth of freedom”  as he gave his Gettysburg address. This expanded our beliefs in equality to include abolishing slavery.
  • When the Nineteenth Amendment to the United States Constitution was ratified in 1920 American women were granted the right to vote. Our belief in the equality of man was expanding to include women.
  • The 1954 supreme court decision of Brown v. Board of Education of Topeka officially expanded our belief in equality to recognize that “separate educational facilities are inherently unequal.” This paved the way for integration and the Civil Rights Movement.
  • On December 1, 1955, Rosa Parks famously tested our actual beliefs in equality for Afro-Americans by refusing to obey bus driver James Blake's order to give up her seat and make room for a white passenger.
  • The Civil Rights Act of 1964 was landmark legislation in the United States that outlawed segregation in the US schools and public places. We now officially believed that even more people are created equal.
  • The civil rights movement and the women's liberation movement continue their struggles today to encourage the beliefs that all American humans really are created equal.
  • The United Nations Universal Declaration of Human Rights, adopted in 1948, declares that “All human beings are born free and equal in dignity and rights.” This provides international recognition for the belief that all humans really are created equal throughout the world. This simple but profound belief is only beginning to be accepted throughout the world. How long will it take for us all to share this belief?

As your experiences expand, your beliefs have to be deliberately revised to accommodate your expanding worldview. Assimilate new information into your worldview and adjust your worldview to accommodate the new evidence. As your beliefs are revised to accurately accommodate a broader a worldview, it becomes more likely that those beliefs are correct and useful.

Ignorance is often the result of a narrow worldview. This may be a deliberate, desperate, stubborn, or manipulative attempt to hold onto obsolete beliefs or to advance a particular viewpoint. It may also be an unavoidable consequence of the size and scope of the universe compared to the limits of human comprehension. Narrow minds have the most room for expansion. Don't choose to ignore evidence; all of it is a part of the world as it is and it often offers vital clues to a broader understanding.

Skepticism

Richard FeynmanHoaxes, practical jokes, myths, legends, rumors, speculation, ambiguity, misunderstandings, mistranslations, misquotations, misrepresentations, censorship, cover ups, disinformation, docudramas, indoctrination, hearsay, magic tricks, clairvoyants, retouched photos, sound bites, edited audio and video, special effects video, gossip, blather, bluffs, bluster, boasts, bullshit, opinions, traditions, proselytizing, assumptions, predictions, and so many more of the communications we see, read, or hear are incorrect, misleading, or deceptive. Overcome your gullibility and approach it all with a healthy and practical skepticismExternal Link. Satisfy your curiosity; ask questions, probe for answers, investigate improbable stories, follow your hunches, highlight inconsistencies, challenge assumptions, go to the source, and uncover and examine direct evidence. Make your own decisions.

Physicist Richard Feynman's skepticism played an essential role in investigating the Space Shuttle Challenger disasterExternal Link. His investigation style relied on his own direct methods rather than the commission's carefully controlled presentation schedule. This put him at odds with investigating commission chairman William Rogers, who once commented, “Feynman is becoming a real pain.” During a televised hearing, Feynman famously demonstrated how the O-rings became less resilient and subject to seal failures at cold temperatures by immersing a sample of the material in a glass of ice water. This simple demonstration quickly exposed the true causes of the disaster. His skepticism cut through the pretentious façade protecting the status quo and uncovered the truth.

Nonfalsifiable Claims

Many unlikely beliefs endure only because they cannot be disproven. Alien abductions, faith healing, astrology, conspiracy theories, chain letter spells, witchcraft, superstitions, religious dogma, and many other strongly held beliefs are not supported by evidence, yet cannot be disproven. These beliefs are defended by the claim: “I can't prove it true, but you can't prove it false.” This challenge seeks to shift the burden of proof from the faithful to the skeptics. Such beliefs, especially an unlikely belief, can be reasonably rejected simply because it lacks evidence.

Shift the burden of proof to minimize regret if the decision turns out to be wrong. Prosecutors hold the burden of proof in US courtrooms to protect the innocent. The ChallengerExternal Site space shuttle disaster could have been prevented if the managers accepted the burden of proving the launch was safe.

A reasonable assumption is that “extraordinary claims require extraordinary evidence.” Doubt claims unsupported by evidence, but only supported because they cannot be disproven.

The Best Story Wins

Stories persuade us. Human memory is story-based. Stories are how we package our experiences into a consistent and memorable framework that helps us make sense of our world. The stories we remember determine what we believe. Every day we are fascinated by stories from religious or cultural traditions, stories of miraculous events or divine intervention, stories of good triumphing over evil in classic literature, myths, and comic books; and stories of courage, adventure, hope, perseverance, discovery, wisdom, foolishness, warmth, and love in books, movies, conversation, and television shows. We enjoy telling our own stories and listening to the stories of our family, friends, and even strangers. Some we accept, recall often, retell, and base our own beliefs on. We reject others and use them to ward off challenges to our beliefs.

Keep in mind that the story teller controls the narrative, and although there are many sides to every story, you may be hearing only what this story teller wants you to hear. History is usually written by the victors. Many stories are deliberate distortions designed to pitch a particular viewpoint or idea. Critically reexamine your own collection of stories; get the facts, research and analyze representative evidence supporting and refuting each story. Question the relevance, timeliness, accuracy, and generality of each story. There can be profound truth in a story of fiction while other stories can use facts to send a false message. Constantly research, rewrite, revise, and retell your own story to make it as true as can be.

Believe what you want!

Horoscopes, astrology, fortune tellers, clairvoyants, faith healers, and fad diets are all very popular.

Many people believe that smoking is harmless and sophisticated, fast food is healthy, magnets improve health, if you don’t eat fat you cannot become fat, and honey, molasses, and high-fructose corn syrup are healthy alternatives to sugar.

Tapping the top of a soda can will prevent it from foaming over, eggs can be balanced on end only during the equinox, we only use ten percent of our brains, and “tip” is an acronym meaning to insure prompt service, are all false legends that won’t die.

Anything that is comforting, flattering, convenient, fun, popular, charming, inspirational, promising, or justifies what you are already doing is easy to believe. Despite a total lack of evidence, overwhelming counter evidence, consistently poor results, and your own deep-seated doubts, you cling to these convenient beliefs. Self-justification runs deep. Get the hard facts even if they contradict the comfortable and convenient beliefs.

Superstition

Superstitions—beliefs founded in folklore rather than fact—influence many people's beliefs and behaviors. You may believe that Friday the thirteenth or walking under a ladder bring bad luck. Perhaps you believe that a four-leaf clover or crossing your fingers bring good luck.  Have fun with these quirky beliefs, but don't base important decisions on then.

Rumors

Rumors—widely circulated but unconfirmed stories—are seductive; many of us seek them out, accept them as fact, and can't wait to pass them on to our friends. But they are very often false, or at least major distortions of the truth. Don't get carried away. Rather than pass on a rumor, ask for the source, apply critical thinking, check the facts for yourself, and set the record straight.

Myths, Legends, and Folklore

The stories are often fun, and the facts are always suspect. Examine the evidence, decide for yourself.

Fear Mongering

Fear Mongering—exploiting peoples' fears to advance your objective—is extremely common and effective. In one recent year faulty toasters killed 791 people; sharks only 9. Yet the media coverage concentrates on the dangers of shark attacks and surf swimming. Defense spending, war mongering, insurance policies, security systems, and many other calls to action are driven by exaggerated fears. Get the facts and decide with a cool head.

Focus

We only see what we focus on. We can only focus on what we are exposed to. If our exposure is limited to a small circle, or similar circles, our evidence is intrinsically incomplete. We don't know what it is that we don't know. We don't even know if it is important. Walk miles in other moccasins before deciding.

A Coherent Example

In his book Leaving Truth, Keith Sewell presents the Knowledge Selection Process he uses to determine if a belief is justified or not. It incorporates many of the theory of knowledge concepts presented here in a hierarchy of five rules, paraphrased below:

  1. Knowledge = any clear and useful proposal that is potentially falsifiable through on-demand repeatable physical observation (this causes him to accept the present findings of science because they are based on the scientific method),
  2.  Any proposal that he can understand to be rational and grounded in his own personal observations, unless it is contradicted by rule 1 (this allows him to believe what he sees with own eyes, subject to the complexities of interpreting evidence),
  3. Childhood beliefs that have not yet been contradicted by rules 1 or 2 (this allows him to retain family lore and other fond memories that are not otherwise contradicted),
  4. Reliable un-biased testimony offered in good faith by a reasonable person knowledgeable in the topic that is not contradicted by rules 1–3 (this allows him to learn by reading well-researched books, attending lectures, and engaging others in honest speech),
  5. Any appealing proposal not contradicted by rules 1–4.

If you are uncomfortable adopting his Knowledge Selection Process as your own theory of knowledge, he invites you to write down your own method for justifying beliefs.

A Partially Closed System

Any Theory of Knowledge can easily become a partially closed system. The principles used to select beliefs will inevitably become reflected in the Theory of Knowledge itself. This tendency can be somewhat counteracted by expanding the scope of the world-view used to construct the theory of knowledge to encompass as broad a range of phenomena as possible.

Epistemology

EpistemologyExternal Link is the branch of philosophy concerned with what we can know. It addresses questions such as: “What is knowledge?”, “How is knowledge acquired?”, and “What can people know?” It is the formal study of the theory of knowledge and has provided much of the material presented here. But epistemology also raises several difficult, fundamental, unanswered questions. For example the theory of radical skepticism doubts any premise that is used as the basis for further knowledge. This leads to an infinite regress where literally nothing can be known for certain.

While these deep questions are fascinating and may eventually shake the foundation of understanding as we know it, they don't seem to help us make the day-to-day decisions we need to make as we live our lives. Studying and applying the practical suggestions presented on this web page can greatly improve your understanding of the theory of knowledge. This can help you choose beliefs based on a firm foundation and make better choices every day.

Responsibility Harnesses Free Speech

The right to free speech is perhaps the most important right ever granted and protected by law. It is an essential element of freedom. One result of free speech is that much of what is written and said is not accurate, complete, or representative. This places the responsibility on each of us to apply the theory of knowledge to all that we see and hear. We have the responsibility to decide for ourselves what it is we believe. The right of free speech requires a thorough understanding and diligent application of the theory of knowledge. Responsibility harnesses free speech. Don't be fooled, lives literally depend on it.

Quotations

  • “Fool me once, shame on you, fool me twice, shame on me.” ~ Folk wisdom
  • “The source of all problems today comes from the gap between how we think and how nature works” ~ Gregory Bateson
  • “You can fool some of the people all of the time, and all of the people some of the time, but you can not fool all of the people all of the time”. ~ Attributed to Abraham Lincoln
  • “Won't get fooled again.” ~ The Who
  • “Responsibility harnesses free speech.” ~ Leland R. Beaumont
  • “There are three kinds of lies: lies, damned lies, and statistics.” ~ Attributed to Benjamin Disraeli
  • “What Do You Care What Other People Think?” ~ Book title, Richard Feynman
  • “Man prefers to believe what he prefers to be true.” ~ Francis BaconExternal Link
  • “Where fear is present, wisdom cannot be.” ~ LactantiusExternal Link
  • “Throughout history, those bent on domination have always seen reason as their enemy.” ~ Al Gore
  • “Those who stand for nothing fall for anything.” ~ Alex Hamilton
  • “Think for yourselves and let others enjoy the privilege to do so too.” ~ Voltaire, in Essays on Tolerance
  • “When the facts change, I change my mind. What do you do, sir?” ~ John Maynard Keynes
  • “Judge a man by his questions rather than his answers.” ~ Voltaire
  • “Not ignorance, but ignorance of ignorance, is the death of knowledge.” ~ Alfred North WhiteheadExternal Link
  • “It is better to know some of the questions than all of the answers.” ~ James Thurber
  • “...our stories are our limitation” ~ Peter Block
  • “The search for hard to vary explanations is the origin of all progress.” ~ David Deutsch
  • “Science is truth found out.”  ~ Edward RuschaExternal Link

References

A Rulebook for Arguments, by Anthony Weston

Introduction to Logic, by Irving M. Copi, Carl Cohen

Influence: The Psychology of Persuasion, by Robert B. Cialdini

Descartes' Error: Emotion, Reason, and the Human Brain, by Antonio Damasio

The Wisdom of Crowds, by James Surowiecki

Extraordinary Popular Delusions and the Madness of Crowds, by Charles MacKay

Informational Cascades and Rational Herding: An Annotated Bibliography and Resource Reference website.

Refuting Unfalsifiable Claims with Superior, Incompatible Explanations, by Allan Glenn

Leaving Truth, by  Keith Sewell

Six Impossible Things Before Breakfast: The Evolutionary Origins of Belief, by Lewis Wolpert

The Assault on Reason, by Al Gore

The Story Factor, by Annette Simmons

On Being Certain: Believing You Are Right Even When You're Not, by  Robert Burton

The Righteous Mind: Why Good People Are Divided by Politics and Religion, by Jonathan Haidt

Doubt, Starring Meryl Streep and Philip Seymour Hoffman. Being certain, no doubt, has its own implications. 

Thank You for Smoking, Untangle the spin and decide for yourself.

A new way to explain explanation, June 2009 TED talk by David Deutsch

The Mind, The Brain And Complex Adaptive Systems, by Harold J. Morowitz, Jerome L. Singer

The Science of Why We Don't Believe Science, April 18, 2011, Chris Mooney, Mother Jones

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