Questions and Answers

Adair J Sharpe D Huynh C . Hawthorne control procedures in educational experiments: a reconsideration of their use and effectiveness. Review of Educational Research 1989; 59 (2): 215–228

Cook T Campbell D . Quasi-Experimentation — Design and Analysis Issues for Field Settings. Chicago: Rand McNally, 1979

Adair J . The Hawthorne Effect: a reconsideration of the methodological artifact. Journal of Applied Psychology 1984; 69 (2): 334–345

Roethlisberger F Dickson W . Management and the Worker. New York: Wiley, 1939