Match the type of reinforcement schedule with its definition Reinforcement occurs after a set time period Reinforcement occurs after a set number of responses. reinforcement occurs after a varying time period Reinforcement occurs after a varying number of responses

A. fixed interval
B. fixed ratio
C. variable -interval
D. variable -ratio

Intelligence tests are often used to predict a person's future ability to perform in a school setting. alfred binet's initial purpose for developing intelligence testing was to aid students in getting the remedial they may have needed in elementary school. which of the following measures is the best criterion for evaluating the predictive validity of intelligence testing? act school attendance school grades sat job placement