The current study proposes a new procedure for separately estimating slope change and level change between two adjacent phases in single-case designs. The procedure eliminates baseline trend from the whole data series before assessing treatment effectiveness. The steps necessary to obtain the estimates are presented in detail, explained, and…

Stresses the importance of including ethnically diverse populations in psychological research. Seeks to determine the extent to which behavioral psychology has recognized issues of ethnic diversity in its published literature. Research finds that overall, only 1.31% of articles published in 3 well-known behavior journals focused on U.S. ethnic…