A person who believes that one should be thoroughly competent and adequate and achieve in all possible aspects is displaying:

Question

Quizplus · Accepted Answer

This belief reflects irrational assumptions because it sets an unrealistic standard for oneself, assuming that one must be perfect and excel in all areas, which is not feasible or psychologically healthy. Conditions of worth might also be related, but the specific belief described aligns more closely with irrational assumptions.

A Person Who Believes That One Should Be Thoroughly Competent