Lee was momentarily terrified as a passing automobile nearly sideswiped his car. When one of his passengers joked that he almost had a two-color car, Lee laughed uncontrollably. Lee's emotional volatility best illustrates the:
(Emotional Expression)

Spillover effect

Explanation:

Spillover effect is defined as the effect that causes an individual's emotion to impact other people's feeling surrounding them.Certain unrelated events induces different emotion in the person due to which affect is produced .

According to the question,Lee is displaying spillover effect in which he is grabbing the emotions as per the situation and people around him. Example-he is laughing when passenger made joke i.e.- his emotions are impacting the people around him.

answer; (cognitive   dissonance);