Which is the most valid method for determining reinforcer effectiveness for an individual? A) Reinforcer preference assessment B) Contingency analysis C) Reinforcer survey D) Premack principle

D) Premack principle

Explanation:

The most relative theory of the reinforcement states that most probable behaviors will reinforce less probable behavior and this original principle was derived for the study of the monkeys by professor David and other experiments that test the effectiveness of this principle in humans.