Question

The kohler effect occurs when a person strives to prove themselves to their more capable peers.

Answer 1

That statement is true.

Kohler effect refers to the phenomenon when a person work harder when she/he is in a group setting compared to working alone.
When working in a group setting, the drive to be seen as 'capable' or a 'valuable' of the team tend to be enchanced, which lead to an increase in performance.