Blood, M.R., & Mullet, G.M. (1977). Where have all the moderators gone? The perils of Type II error (Tech. Rep. No. 1). Atlanta: Georgia Institute of Technology, College of Industrial Management.
2.
Darrow, A.L., & Kahl, D. R. (1982). A comparison of moderated regression techniques considering strength of effect. Journal of Management, 8 (2), 35-47.
3.
Saunders, D.R. (1956). Moderator variables in prediction. Educational and Psychological Measurement, 16, 209-222.
4.
Wise, S.L., Peters, L.H., & O'Connor, E.J. (1984). Identifying moderator variables using multiple regression: A reply to Darrow and Kahl. Journal of Management, 10, 227-233.