Background: This study evaluated a school-based obesity intervention for elementary school children (N = 835) where health professionals assisted teachers with the integration of healthy messages into the school curriculum. Methods: Schools were randomized into a professional-facilitated intervention (PFI; N = 4) or a self-help (SH; N = 3)…

Several randomised controlled studies have shown the efficacy of Internet-based self-help treatments. These studies have centred their attention on axis I (efficacy) of the Guidelines for Empirically Validated Treatments, although there are a few studies that also take into account axis II (effectiveness). The aim of the present work was to test…

Studied the effectiveness of applying Keller's personalized system of instruction (PSI) five consecutive times to the teaching of the switch principle in logic design problems. Concluded that the PSI method continued to be effective as compared with the lecture approach. (CC)

A self-paced individually prescribed instruction system at the introductory level of astronomy was studied, using 118 students to illustrate its effectiveness in comparison with a lecture-demonstration method. Seventeen terminal behavioral objectives served as the basis for the self-paced system. Subjects were divided into two sections, each…

The instructional effectiveness of two different presentation methods (lecture and self-paced or modularized) was examined using two groups of pharmacy students. Little or no difference was found in this study of junior and senior students at Oregon State University. (LBH)