Final answer:
The locus of control concept was proposed by Rotter. Locus of control refers to an individual's belief about the extent to which they have control over their own life and the events that occur.
Step-by-step explanation:
The locus of control concept was proposed by Rotter. In 1966, Julian Rotter published a paper titled "Generalized expectancies for internal versus external control of reinforcements" in which he introduced the concept of locus of control. Locus of control refers to an individual's belief about the extent to which they have control over their own life and the events that occur.