Stephen R. G. Jones, in American Sociological Management Matter? Review (~pril1990), 1722 N st. N.w., Washington, D.C. 20036.

Almost any undergraduate who has taken an introductory social science course dur- ing the last 50 years has heard of the fam- ous Hawthorne Effect: The very knowl- edge that researchers are studying them causes people to change the way they be- have.

That is just one of the more curious find- ings that came out of the landmark study of worker productivity in Western El...