Benefits of the Person-Oriented Perspective for Program Evaluation: Analyzing the Differential Treatment Effects of the Vienna E-Lecturing Program

Dominik Lapka; Petra Wagner; Barbara Schober; Petra Gradinger; Christiane Spiel

Journal of MultiDisciplinary Evaluation Vol. 7, No. 16 (July 2011) pp. 65–83

Background: In program evaluation interventions are usually examined for global effects but not always for differential effects. The reasoning behind the focus on global effects is that most of the concepts applied in data analyses, and most of the...