Psychologists, like the rest of us, naturally have preconceived notions about human behavior, which is

The answer is critical thinking is particularly important in psychological research.

When conducting psychological research it is vital that you approach it with a critical mind. Question everything. Don't take anything for granted. Just because you have a preconceived notion of something doesn't mean that you are right. Always be critical. Always seek to know more. Otherwise all your findings will be highly biased and invalid.

answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck

c: in the east might be the correct answer