Improve your investing by improving your way of thinking.
"Cognitive dissonance" is the name for anxiety caused by disconcerting thought processes. That is, when people are faced with facts that make them uncomfortable, they tend to ignore these facts, literally to the point of self-denial.
Cognitive dissonance is the reason why a mother won’t accept that her son is dead, even when the police are standing in the doorway telling her. Cognitive dissonance is the reason why a husband with an unfaithful wife will always be the last to know. It is why those in debt do not open their mail. It is why Al Capone thought he was a good person because he donated to charity. And, it is why Americans who wished to buy a home in 2006 (or already had one) insisted that there was no housing bubble, despite all evidence to the contrary.
It is a natural thing for people to seek confirmation of their existing beliefs. Finding facts to prove you are right is both satisfying and comfortable. This is why conservative Republicans watch Fox News, anti-globalization protesters read Noam Chomsky, and why environmental activists seldom read the Oil and Gas Journal. But in order to be a truly effective thinker, one must embrace cognitive dissonance by intentionally seeking disconfirming evidence. For many great thinkers, including investors Charlie Munger and George Soros, the best technique for embracing cognitive dissonance is a simple one known as “Inversion.”
Inversion states that in order to prove that something is true, you should try to prove it false; that is, for any strong belief that you have, regularly search for evidence you might be wrong. If you wish to buy a stock, for example, you would include a search for reasons not to buy it. You would read not just the glowing press releases about the company, but also seek out all negative facts about the company, and judge these facts without emotion. Only after finding no significant reasons not to buy the stock would you actually buy it.
Cognitive dissonance is not easy to overcome. You will be fighting natural human emotion every step of the way. Despite a lifetime of working on it, I have fallen prey at least twice, and will no doubt do so again. But by making a habit of questioning your own judgements and attempting to prove your own beliefs false, you will become a stronger and more reliable investor (and possibly a better person). Soon, you will find that your mental discomfort becomes a source of pride and pleasure, not to mention lucrative.
____
“Faced with the choice between changing one’s mind and proving there is no need to do so, almost everyone gets busy on the proof.”
John Kenneth Galbraith
