PENNSYLVANIA Fawcett (1990) has thrown down the gauntlet to behavior analysts, "Our challenge is to discover standards that optimize both rigor and relevance in the pursuit of understanding and action" (p. 65). For decades, behavior analysts have been working explicitly to develop a behavior-change technology to advance an array of dassroom com- petencies for students of all ages and ability levels With precision, rigor, and results as their hallmark, behavior analysts have documented, in literally hundreds of investigations 1992
Fantuzzo et al. (Sun,) studied this question.