The so-called halo effect is that people's judgment on others is seriously obscured by the prominence or some advantages or disadvantages of others.

In real life, there are countless prejudices caused by halo effect:

-online paragraph: poor boy and rich man eat at roadside stalls and other objects. Girls say that the former can't see the future and the latter is grounded. The same behavior, because of the existence of identity aura, makes people have different views.

Good people should be honest in everything, and bad people should be mad and have no light of humanity.

-Love me, love my dog. Because you love someone, you love everything about him or her. This is also the shadow embodiment of the halo effect.

……

2. About Monday morning quarterback

People praise people who have foresight, while others often pretend to be hindsight. Their usual saying is: in fact, I have long known whether one thing is feasible or not! Or, if I were you, I would do whatever I want (that is, I won't do as badly as you anyway! )。

This kind of hindsight is also blind self-confidence and serious prejudice against others!

In fact, people who pretend to be smart in hindsight are not necessarily clever. Many times they just look at the problem from the perspective of onlookers. They improve themselves by belittling others and show poor acting skills.

3. The illusion about skills

A simple example of skill illusion is the buying and selling of stocks.

The rise and fall of a stock is unpredictable, but if a large number of people think that a stock will rise today, then they will buy a lot.

The next day, the stock really went up!

These people who buy stocks think that their judgment ability has been confirmed. But in fact, the root cause of the stock rise is precisely because of their large-scale buying behavior, not their so-called judgment.

System 1 pursues what you see is what you get, and will not delve into the reasons behind it. This encourages the formation of illusion!

4. About expert opinions

Not all expert opinions are reasonable and correct. A basic way to judge is to study whether the logic drawn from their opinions is correct and whether the facts are accurate, regardless of the emotions and personal attitudes of experts.

5. About optimism bias

People praise optimism, which reflects a positive life and attitude towards life.

But optimism is not a single benefit, so beware of the trap: excessive optimism leads to overconfidence and even misjudgment. From this perspective, optimism is also an illusion.

(On the morning of May 22nd, Year of the Tiger, in Chongqing, hospital)