For those involved in marketing, the following 10 psychological truths is all you ever need to know about marketing.:

How are you being taken advantage of in the marketplace? 

https://www.inc.com/kevin-daum/this-marketer-reveals-10-psychology-truths-that-brands-use-to-influence-your-buying-decisions.html

Lets break down the 10 lessons from psychologists involved in marketing and integrating the lessons in stock market

1. You don't like thinking too hard.

advantage to those who think harder than usual.

2. Decisions are automatic and hidden.

Humans don't like thinking too hard......to be a winner, you have to think harder. You have to engage more level 2 thinking.......

3. You'll deny that it works on YOU.

Humans don't like to admit they've been had.....but be aware, you rationalise..... as a result, you are just as easily fooled by the market as the next guy. Don't deny, embrace it and see what you can learn from it.

4. We let others decide for us

Happens all the time, doesn't it? Got to be aware of that and retake control.

5. You hate losing more than you like winning.

that is why the tendency people chase high and cannot find to the courage to buy red....Kesm and Layhong drop for 4 weeks, people scared, I can find the courage to buy. I treat losses and profits egually and statistics shows, even if I am wrong, I will not be losing much....risk  reward is in my favor.........there is a lesson in falling knives, its a good lesson.....but the lesson must be balanced by thinking harder and risk reward analysis........

6. You are open to suggestion.

This plays out in the real world all the time. Acknowledge it. Guard against it.

7. You are terrified of missing out.

that is why momentum play is so popular.  FOMO is real! "Fear of missing out" fits right in with humans' risk aversion. Our fear of missing out  is a major driver of decision-making...be aware, guard against it.

8. You are prejudiced and biased.

everyone is prejudiced and biased.

9. It doesn't always work the same.

trigger points don't stay the same.

10. There are countless loopholes in your thinking.

Humans are intelligent, but business has figured out ways to hack into the brain. The best way to guard yourself is to acknowledge that you can be irrational, and we willing to question even your own thinking." Admitting your own shortcomings and analyzing the logic of your thinking will help you spot more of these methods.

Conclusion

There is a way to improve trading results. Knowing how the brain  works, know how decisions are made is the first step.