S1 문장의 [______]에 들어갈 단어는?

난이도 고난도 · 힌트를 덜 열수록 높은 점수 (현재 5점)
There is a widely accepted theory in social [______] known as the pratfall effect, which actually states that making certain kinds of mistakes makes you more likable because you are relatable in your vulnerability.