You have probably read articles that reference the famous Linda Study conducted by researchers Daniel Kahneman and Amos Tversky back in the early 1970’s. In it, the researchers describe an outspoken person named Linda who is and smart and politically active and who has participated in anti-nuclear demonstrations. They then ask the subject to indicate whether Linda is more likely to be a) a bank teller or b) a bank teller who is also an active feminist.
No direct evidence is given to indicate that Linda is either a bank teller or a feminist. She is smart so she might be a bank teller, and since she has been socially active she might be a feminist. But logically it is far more likely that Linda is only one of these things than that she is both. Yet most people, given the choices presented and regardless of education, answer that Linda is probably both a bank teller and a feminist. This is an example of the Conjunction Fallacy (see here), in which a person mistakenly believes that multiple conditions are more likely than a single one.
Although this study is frequently cited in popular science articles, the conclusions drawn from it have been strongly criticized or at least given more nuanced analysis (see here). Few popular ideas from science since the Heisenberg Uncertainty Principle have been so misused and overextended as the Linda Study. We really should stop reading so much into this study and cease abusing it so badly.
An example of one such popular science article describes research by Professor Keith Stanovich (see here). In his work he used the Linda Study methodology along with other tests to measure rationality. Although I do not know how well this popular science article represents the actual research by Stanovich, it suggests that the Linda Test is a strong indicator of rationality. I find that assertion very troubling.
First off, while the Linda Test does expose the Conjunction Fallacy, we are all are susceptible to a huge number of logical fallacies. I document dozens of these in my book, “Belief in Science and the Science of Belief” (see here). While everyone should be taught to do better at recognizing and avoiding logical fallacies, failing to do so probably does not adequately correlate to irrational thinking.
If subjects were made aware that this was intended as an SAT-style logic gotcha, many would answer it in a more literal context. But we normally assume a broader scope of inference when answering this sort of question and the pattern-recognition machines we call our brains are capable of all sorts of fuzzy logic that is completely independent of, and much broader than, strict mathematical logic. In the real world, it might well turn out that women like Linda are in fact more likely to be both bankers and feminists. Moreover “both” is a far richer answer in the context of most real-world interactions. The more logically correct answer is less insightful and interesting.
This is not to suggest that we should become lax about adhering to principles of logic, but only to suggest that a simple “brain teaser” logic question is not a very powerful indicator of overall rationality. Furthermore, equating rationality to a fallacy recognition test diminishes the profound complexity and importance of rationality.
I suggest that there are far stronger indicators of rationality. Does the subject believe in God? Do they deny climate-change? Do they subscribe to pseudoscientific nonsense? Is their thinking muddled by irrational New Age rationalizations? Do they insist the world is only 6 million years old and that humans coexisted with dinosaurs (cough) Ken Ham see here (cough).
Here’s the problem. All of these direct indicators are too entrenched and widespread to be overtly linked to irrationality. So instead we use safe, bland, non-confrontational indicators like the Linda Test that are at best weak and at worst undermine important and frank questions about rationality.
So dump Linda already in favor of far more meaningful measures of rationality!
You probobly assume that we Americans represent the Federation of the Star Trek universe. Not really. If anything, we are far closer to the Klingons – say otherwise and I will let you taste my bat’leth! Like the Klingons, we may be inept at maintaining our infrastructure, at providing affordable healthcare, at ensuring a good education, a secure retirement, or a working wage… but we are truly exceptional at waging war. We have far more military might than all other human civilizations combined. Our immense “defense” budget is sacrosanct and we subordinate every other priority to sustain it. We bring our armies down upon anyone who dares challenge us and have been involved in over a hundred wars in our short history (
One thing that Wall Street loves most of all are disasters. Disasters make bankers salivate. Life is full of its little ironies, and as it turns out I just moved away from New York City after 10 years of living literally on Wall Street. In another strange twist of fate, I worked on Church Street (I’m a devout atheist). Anyway, back on point. I used to meet lots of financial types. I remember after a tornado leveled some towns in the South, these guys were like kids in a candy store. They could hardly contain their enthusiasm over this disaster and all the new loans and sales it would create.
For those of you under 50, The Monkees were a band that was big in the 1960’s. Though they started out as a marketing contrivance by record producers hoping to compete with the Beatles, they quickly asserted their independence and sang out with their own unique voice to help define the times we lived in. For many pre-teens like me growing up then, The Monkees were incredibly influential in shaping our worldview.
A lot of what is says is well-taken tough love, but it does generalize too much. It paints all men as Dodo Birds, and all women by implication as enlightened beings. Certainly there are far too many men, largely Trump voters, who absolutely need to go extinct as quickly as possible for the good of all humanity. But huge numbers of men vehemently reject Trump and all he stands for.
But this should come as no surprise. After all, all of religion is nothing but selling lies. It
As long as we are reduced and diminished to a Nevers attitude of elections and leadership in this country, we are pilot and copilot struggling for control of the cockpit as the plane races into a mountainside. We are Darth and Luke fighting each other when only united can they hope to oppose the truly evil Emperor. Only when the Nevers fade away and we once again express affirmative support for civil, respectful candidates who commit to work together to solve problems, rather than working merely to destroy each other, can we thrive and survive as a people and as a nation.
Probably the most hypocritical ethical fallacy that incenses my sensibilities is the “Forgiveness Fallacy.” This is typically invoked by Christians, particularly Evangelical Christians, to serve as both a shield and a sword. Whenever one of their own is guilty of wrongdoing, they insist that we must forgive and that only God can judge. However, when the guilty party is not one of them, they insist that only God can forgive and that we must never forget nor forgive. Seems to me that it is those who most need forgiveness are the ones to advocate for it most strongly, but only when it benefits them.