The five enemies of rational thought.
Following his defeat at the Battle of Actium in 31 BCE, Marc Antony heard a rumour that Cleopatra had committed suicide and, in consequence, stabbed himself in the abdomen—only to discover that Cleopatra herself had been responsible for spreading the rumour. He later died in her arms.
“Fake news” is nothing new, but in our Internet age it has spread like a contagious disease, swinging elections, fomenting social unrest, undermining institutions, and diverting political capital away from health, education, the environment, and all-round good government.
So how best to guard against it?
As a medical specialist, I’ve spent over 20 years in formal education. With the possible exception of my two-year masters in philosophy, the emphasis of my education has always been firmly and squarely on fact accumulation.
Today, I have little use for most of these facts, and though I am only middle-aged, many are already out of date, or highly questionable.
But what I do rely on—every day, all the time—is my faculty for critical thinking. As BF Skinner once put it, “Education is what survives when what has been learnt has been forgotten.”
But can critical thinking even be taught?
In Plato’s Meno, Socrates says that people with wisdom and virtue are very poor at imparting those qualities: Themistocles, the Athenian politician and general, was able to teach his son Cleophantus skills such as standing upright on horseback and shooting javelins, but no one ever credited Cleophantus with anything like his father’s wisdom; and the same could also be said of Lysimachus and his son Aristides, and Thucydides and his sons Melesias and Stephanus.
In Plato’s Protagoras, Socrates says that Pericles, who led Athens at the peak of its golden age, gave his sons excellent instruction in everything that could be learnt from teachers, but when it came to wisdom, he simply left them to “wander at their own free will in a sort of hope that they would light upon virtue of their own accord”.
It may be that wisdom and virtue cannot be taught, but thinking skills certainly can—or, at least, the beginning of them.
So rather than leaving thinking skills to chance, why not make more time for them in our schools and universities, and be more rigorous and systematic about them?
I’ll make a start by introducing you to what I have called “the five enemies of rational thought”:
1. Formal fallacy. A fallacy is some kind of defect in an argument. A formal fallacy is an invalid type of argument. It is a deductive argument with an invalid form, for example:
Some A are B. Some B are C. Therefore, some A are C.
If you cannot yet see that this argument is invalid, substitute A, B, and C with “insects”, “herbivores”, and “mammals”.
Insects, clearly, are not mammals.
A formal fallacy is built into the structure of an argument and is invalid irrespective of the content of the argument.
2. Informal fallacy. An informal fallacy, in contrast, is one that can only be identified through an analysis of the content of the argument.
Informal fallacies often turn on the misuse of language, for example, using a key term or phrase in an ambiguous way, with one meaning in one part of the argument and another meaning in another part—called “fallacy of equivocation”.
Informal fallacies can also distract from the weakness of an argument, or appeal to the emotions instead of reason.
Here are a few more examples of informal fallacies.
- Damning the alternatives. Arguing in favour of something by damning its alternatives. (Tim’s useless and Bob’s a drunk. So, I’ll marry Jimmy. Jimmy’s the right man for me.)
- Gambler’s fallacy. Assuming that the outcome of one or more independent events can impact the outcome of a subsequent independent event. (June is pregnant with her fourth child. Her first three children are all boys, so this time it’s bound to be a girl.)
- Appeal to popularity. Concluding the truth of a proposition on the basis that most or many people believe it to be true. (Of course he’s guilty: even his mother has turned her back on him.)
- Argument from ignorance. Upholding the truth of a proposition based on a lack of evidence against it, or the falsity of a proposition based on a lack of evidence for it. (Scientists haven’t found any evidence of current or past life on Mars. So, we can be certain that there has never been any life on Mars.)
- Argument to moderation. Arguing that the moderate view or middle position must be the right or best one. (Half the country favours leaving the European Union, the other half favours remaining. Let’s compromise by leaving the European Union but remaining in the Customs Union.)
You can find many more examples in Hypersanity: Thinking Beyond Thinking.
3. Cognitive bias. Cognitive bias is sloppy, if not necessarily faulty, reasoning: a mental shortcut or heuristic intended to spare us time, effort, or discomfort—often while reinforcing our self-image or worldview—but at the cost of accuracy or reliability.
For example, in explaining the behaviour of other people, our tendency is to overestimate the role of character traits over situational factors—a bias, called correspondence bias, that goes into reverse when it comes to explaining our own behaviour. Thus, if Charlotte fails to mow the lawn, I indict her with forgetfulness, laziness, or spite; but if I fail to mow the lawn, I absolve myself on the grounds of busyness, tiredness, or inclement weather.
Another important cognitive bias is my-side, or confirmation, bias, which is the propensity to search for or recall only those stories, facts, and arguments that are in keeping with our pre-existing beliefs while filtering out those that conflict with them—which, especially on social media, can lead us to inhabit a so-called echo chamber.
4. Cognitive distortion. Cognitive distortion is a concept from cognitive-behavioural therapy (CBT), developed by psychiatrist Aaron Beck in the 1960s and used in the treatment of depression and other mental disorders.
Cognitive distortion involves interpreting events and situations so that they conform to and reinforce our outlook or frame of mind, typically on the basis of very scant or partial evidence, or even no evidence at all.
Common cognitive distortions in depression include selective abstraction and catastrophic thinking.
Selective abstraction is to focus on a single and often insignificant negative event or condition to the exclusion of other, more positive ones, for example, “My partner hates me. He gave me an annoyed look three days ago.”
Catastrophic thinking is to exaggerate and dramatize the likely consequences of an event or situation, for example, “The pain in my knee is getting worse. When I’m reduced to a wheelchair, I won’t be able to go to work and pay the bills. So, I’ll end up losing my house and dying in the street.”
A cognitive distortion can open up a vicious circle, with the cognitive distortion feeding the depression, and the depression the cognitive distortion.
Cognitive distortion as broadly understood is not limited to depression and other mental disorders, but is also a feature of, among others, poor self-esteem, jealousy, and marital conflict.
5. Self-deception. Of the five enemies of rational thought, the most important by far is self-deception, because it tends to underlie all the others.
If we do not think clearly, if we cannot see the wood for the trees, this is not usually because we lack intelligence or education or experience, but because we feel exposed and vulnerable—and rather than come to terms with a painful truth, prefer, almost reflexively, to deceive and defend ourselves.
As I argue in Hide and Seek: The Psychology of Self-Deception, all self-deception can be understood in terms of ego defence. In psychoanalytic theory, an ego defence is one of several unconscious processes that we deploy to diffuse the fear and anxiety that arise when who or what we truly are (our unconscious “id”) comes into conflict with who we think we are or who we think we should be (our conscious “superego”).
To put some flesh onto this, let’s take a look at two important ego defences: projection and idealization.
Projection is the attribution of one’s unacceptable thoughts and feelings to other people. This necessarily involves repression (another ego defence) as a first step, since unacceptable thoughts and feelings need to be repudiated before they can be detached. Classic examples of projection include the envious person who believes that everyone envies her, the covetous person who lives in constant fear of being dispossessed, and the person with fantasies of infidelity who suspects that they are being cheated upon by their partner.
Idealization involves overestimating the positive attributes of a person, object, or idea while underestimating its negative attributes. At a deeper level, it involves the projection of our needs and desires onto that person, object, or idea. A paradigm of idealization is infatuation, or romantic love, when love is confused with the need to love, and the idealized person’s negative attributes are glossed over or even construed as positive. Although this can make for a rude awakening, there are few better ways of relieving our existential anxiety than by manufacturing something that is ‘perfect’ for us, be it a piece of equipment, a place, country, person, or god.
In all cases, the raw material of thought is facts. If the facts are missing, or worse, misleading, then thought cannot even get started.
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