A Behavior Analyst Supervisor Asks a Therapist to Record on a Data

A behavior analyst supervisor asks a therapist to record on a data sheet the number of math problems a client completes during treatment sessions. In an effort to evaluate the data reported on math completion, the supervisor collects the math sheets periodically and records the number of math problems completed. She then compares the math sheets to the number recorded by the therapist on the corresponding data sheet. The behavior analyst supervisor is recording:

A) observed values
B) trends
C) true values
D) treatment integrity