Free BACB BCABA Exam Questions

A behavior analyst is conducting a communication training session with a child. The behavior analyst says to the child, "Say your name." The child says, "Sarah." and the behavior analyst delivers a reinforcer. What type of verbal operant was the behavior analyst's statement?

Larry engages in self-injurious behavior which is maintained by automatic reinforcement. This behavior results in abrasions on both of his arms as a result of intense scratching. The behavior analyst decides to have Larry only wear long sleeved shirts as an initial effort to reduce the behavior. This is an example of which type of procedure?

Tony is supervising a work crew at the post office. Every day, his clients are supposed to check each waste bin and empty those that contain trash. Tony takes data on the number of waste bins emptied by the crew. In order to report data in terms of percentage of occurrence Tony MUST also know: 

What does this graph depict? 

To change the occurrence of hitting others, two procedures were compareD. differential reinforcement of incompatible behavior and time-out. The outcomes were examined within and across subjects. A withdrawal design was employed. An independent variable in this study was: