When setting criteria for behavior change, behavior analysts attempt to implement the simplest mode of intervention necessary to elicit the desired outcome. As such, the identified outcome criteria should be

Mr. Myers asks Susan what her favorite food is. Susan answers, "Spaghetti." This is an example of a (n):

Three boys with autism, ages 7-10 years old, served as participants in a study. During baseline, staff used response blocking when five instances of aggression or head-banging occurred within 10 seconds, until attempts ceased for 1 minute. During baseline and treatment, each occurrence of aggression and head- banging was recorded daily and converted to the number of responses per hour. Treatment comprised a differential reinforcement of incompatible behavior (DRI) schedule coupled with response blocking after every head-banging or aggression. The staff initially applied the treatment to head-banging, while continuing to take a baseline on aggression. After noting treatment effects on head-banging, the staff then applied the treatment to aggression.
What is the independent variable?

A functional relationship exists only iF.

Harley tells a variety of offensive and inoffensive jokes to coworkers at lunchtime who laugh at all of the jokes, telling Harley that he's funny. When Harley tells jokes at the evening meal to housemates, they complain to Harley about the offensive jokes. If the behavior analyst wants the evening meal with housemates to become an S for Harley's offensive joke-telling, she should instruct Harleys'?