The mixed-meta analysis study aims to examine the effects of the layered curriculum on students based on the studies conducted between 2006 and 2021. The statistical data gathered from a total of five studies is indexed in national databases investigating the effect of layered curriculum on achievement and attitudes, and the overall effect of the…

Gaming is a natural process for the child, and with the play therapy technique used in this process, opportunities are offered to the child to express their problems and emotions by playing. Play therapy is used in many studies with children. The number of studies conducted on the effectiveness of play therapy in Turkey is increasing with each…

This study combines the results of studies on the effect of plyometric training on back and leg muscle strength in different places and times to reveal the overall effect sizes of these results. For this purpose, between 2000-2020 years of plyometric training method in Turkey, back and legs taken the subject of the effect on muscle strength…

In this study, it was aimed to reveal the effect of using technology on the students' academic achievement in primary mathematics education. In accordance with this purpose, the current study is to determine the overall effect size by bringing together the experimental studies conducted on the effect on students' academic achievement of using…

This study examines the effect of the flipped learning approach on academic achievement based on science and mathematics education fields with the meta-analysis method. For this purpose, including the different uses of the flipped learning approach in the literature; "Science Education & Academic Success & Flipped Classroom,"…

The study aims to investigate the effect of "Physical Education and Sport Culture" (PESC) course on the attitudes of preservice classroom teachers towards physical education and sports. The one group pre-test post-test design among experimental models which is included in quantitative research designs was employed in the study. The study…

As literacy grows in importance, policymakers' demands for programme quality grow, too. Evidence on the effectiveness of adult and family literacy programmes is limited at best: research gaps abound, and programme evaluations are more often than not based on flawed theories of programme impact. In the absence of robust evidence on the full range…

In Turkey, there is neither systematic nor structured child sexual abuse prevention programs for school-aged children in school settings. The main purpose of this study was to investigate the effectiveness of a school-based child sexual abuse prevention program on elementary school (4th grade) students. Quasi-experimental design with pretest,…

Problem statement: Evaluation, an important step in educational settings, is usually understood as a process to measure what students know or what they have learned. A variety of methods can be used for assessment and tests are one of the most important and widely-used. While being tested, one may learn or retrieve previously learned information…

Problem statement: Two of the techniques used in the meta-analysis of single-case research are calculating the percentage of nonoverlapping data (PND) and the percentage of data points that exceed the median of the baseline phase (PEM). The PND is a nonparametric approach in which the researcher calculates the percentage of data points in the…