This meta-analytic review study examined the effects of out-of-school learning (OSL) activities on student attitude and motivation by combining the results of experimental studies conducted between 1990 and 2020. Out of the 1272 studies identified through the literature search, the study selected 46 studies that yielded 47 effect sizes. The effect…

The effect size of psychological counseling based on the Cognitive Behavioral Therapy (CBT) approach on depression and anxiety, was conducted using a meta-analysis method. According to the defined criteria, eight primary studies on anxiety and 21 on depression are included in the meta-analysis. The effect sizes based on a random-effects model are…

In the literature, there are a great number of primary studies that examine the relationship between professional burnout, job satisfaction, and life satisfaction of education workers and that do not have consistent results. The aim of this study is to establish a model that will explain the life satisfaction of education workers by determining…

The purpose of this study is, by using meta-analysis method, to examine whether there is a significant difference in the effect size of the Technological Pedagogical Content Knowledge (TPACK) according to gender. For this purpose, it was examined whether both Technological Pedagogical Content Knowledge and the knowledge types related to TPACK…

Problem Statement: Self-regulated learning strategies (cognitive, metacognitive, resource management, and motivational strategies) influence students' academic achievement, conceptual understanding, and motivation. Reviewing the national literature about self-regulated learning strategies, studies have indicated both significant and insignificant…

This synthesis aims to see the effects of Socio-scientific Issues-Based Instruction (SSI) on the academic achievement of students in Turkey and to help shape future studies on this topic. A mixed-research synthesis method was employed in this study. As a result of the data searching process, 12 studies with quantitative data and 6 studies with…

This aim of this study is to determine the effect of the TPR method on students' vocabulary learning and the factors affecting the effectiveness of this method by combining the findings obtained from both qualitative and quantitative studies. For this purpose, a primary study with 13 quantitative and 7 qualitative findings was included in this…

The digital technology-mediated foreign language vocabulary learning involves the use of technological tools such as online and offline dictionaries, multimedia, social media, television, computer, smart-phones, tablets, and similar others. Although many research findings in the existing literature have emphasized the effectiveness of these…

The purpose of this study is to calculate the effect size, by running a meta-analysis, of the experimental studies carried out in Turkey between 2004 and 2014 that investigate the effect of learning styles on academic achievement, attitude, retention, and to define whether the academic achievement shows a significant difference in terms of…