Rotter noted that ____ has become "one of the most studied variables in psychology."

A) reinforcement
B) self-efficacy
C) self-esteem
D) locus of control

Locus of Control

A psychological concept that categorizes individuals by their belief in personal control over life events, either as internal (self-control) or external (controlled by outside factors).

Studied Variables

Elements or factors that are measured or manipulated within research to explore their effects on outcomes of interest.

Reinforcement

In psychology, it refers to a consequence that will strengthen an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.