The thesis of this paper is that the decision to use one of three approaches to unit-of-analysis in educational research should be based on substantive considerations, not statistical factors. In addition to the commonly used "total analysis" (regression analysis across individuals), the within and between analyses are inherent in the…

Explains and demonstrates time-series statistical analyses with a case example. Argues graphs and nonparometrical statistical analyses are not valid methods for evaluating behavior change due to counseling. Suggests the use of time-series statistical analyses enables counselors to employ a reliable method of measuring change in counseling…