________ is an example of an obsession.

If you receive reinforcement based on the number of responses you make, but the number of required responses changes each time, your behavior is reinforced on a ________ schedule

a) fixed-ratio b) fixed-interval c) variable-ratio d) variable-interval

Many studies indicate that attending integrated classrooms leads to

A) poor self-esteem among ethnic minority students. B) lower academic achievement, educational attainment, and occupational aspirations among ethnic minority students. C) higher academic achievement, educational attainment, and occupational aspirations among ethnic minority students. D) identity confusion among biracial students.