When observers see what they expect to see or record only selected details, they are exhibiting a problem in naturalistic observation known as the

Using the _____ is an effective way for programs to reduce adolescent delinquency by including parent training, job training, and vocational counseling

a. multiple systems approach b. multisystemic approach c. delinquency reduction approach d. youth delinquency systems approach

In the original studies that led to naming of the Hawthorne effect, if workers' behaviors were not normal because they knew they were being observed, this would have reflected

a. observational drift. b. subject reactivity. c. observer bias. d. behavioral drift.