Steven lives in a group home with four other men. Most of his housemates spend about equal amounts of time in the living room and the recreation room. Steven spends about 75% of his free time in the living room and
25% in the recreation room. Staff observations have shown that staff attention is very reinforcing for Steven. If the matching law is operating in this scenario, what is the predicted rate of staff attention to Steven in the living room?

Although tests have confirmed that Matthew is not deaf, his mother is worried because Matthew is very slow to respond when she calls to him. Frequently, she has to resort to touching him before he looks at her. Which of the following would be the MOST appropriate for measuring Matthew looking when called?

A teacher is tracking the performance of both math and spelling assignments for each of her 25 students. For feedback purposes, she wishes to display each student's percent correct for both areas using a line graph.
What would be the MOST effective and efficient way to accomplish this?

Susan recorded data on a student's fidgeting behavior in the following way: She divided a 10-minute recording period into 10-second intervals and recorded in each interval a "+" if the target behavior occurred at least once.
The percentage of intervals of target behavior occurrence was about 45%. The data resulting are most likely to be an

A punishment contingency is LEAST likely to produce which effect?