This study aimed to determine the effect of mastery learning model supported with reflective thinking activities on the fifth grade medical students' academic achievement. Mixed methods approach was applied in two samples (n = 64 and n = 6). Quantitative part of the study was based on a pre-test-post-test control group design with an experiment…

For this study we examined collaborative assessment in counseling 820 German students who were going abroad and who were exposed to the Test to Measure Intercultural Competence (TMIC). A randomized pretest-posttest control group design was used. The control group did not get any test feedback. The remaining groups received written feedback or…

Educational outcomes across multiple countries show large gaps between children's grade level curricular expectations and the actual learning levels of children. This paper discusses findings from an early grades literacy study and attempts to explore factors that potentially improve the English language learning results of Grades 3 and 4 learners…

This article reviews several decades of the author's meta-analytic and experimental research on the conditions under which nonrandomized experiments can approximate the results from randomized experiments (REs). Several studies make clear that we can expect accurate effect estimates from the regression discontinuity design, though its statistical…

Childhood obesity trends have increased dramatically over the past three decade's. The purpose of this quantitative systematic review is to provide an update of the evidence, illustrating the efficacy of childhood obesity treatment, considering whether treatment fidelity has been measured and/or reported and whether this related to the treatment…

It is widely known that there is a dearth of education research in South Africa which takes as its methodological basis experimentation. The emphasis has been on educators' and learners' experiential understanding in the first decade of democracy after apartheid, when qualitative research predominated. The article investigates, first, the extent…

This study evaluated the effectiveness of the HOPE program. Participants included 120 Chinese new immigrant parents with preschool children in Hong Kong from 13 preschools which were randomized into intervention group (HOPE) and comparison group (6-session parent education program). Parent participants completed measures on child behavior,…

This study examined the effectiveness of a supervised mentoring program designed to improve the academic achievement of 834 low-income elementary and secondary school students in Seoul, South Korea. When compared to the control group, both elementary and middle school students exposed to the mentoring program improved in mathematic and reading…