The purpose of this study is to analyze the effect of online education, which has been extensively used on student achievement since the beginning of the pandemic. In line with this purpose, a meta-analysis of the related studies focusing on the effect of online education on students' academic achievement in several countries between the years…

The two main purposes of the current meta-analysis were (1) to determine the relation between socioeconomic status (SES) of students and academic performance (AP) and (2) and evaluate the effect of several potential moderating factors in this relation. Data covered the publications between 2010 and 2019, and the dataset consisted of 48 independent…

There is a rich body of studies on the implementation problems of curricular changes comprising more student-centred methodologies in English as a foreign language education around the world. Focusing on these global-wide studies within the context of the Ecological System Theory, this meta-synthesis aims to identify the common factors that hinder…

Systematic reviews of literature are studies that strategically search for published research on a specific topic in order to synthesize what is known about the topic. This systematic review describes 157 articles on synchronous online learning (SOL) from thirty-four different countries on instructional setting, content areas, participant…

It has been argued that children who possess an advanced theory of mind (ToM) are more likely to act prosocially, yet the empirical findings are mixed. To address this issue definitively, a meta-analytic integration of all prior literature that met appropriate inclusion criteria was conducted. In total, 76 studies including 6,432 children between…

Meta-analyses of the findings from 29 studies including 4,194 early childhood practitioners showed that different practitioner belief appraisals (endorsement, importance, self-efficacy) were related to the intent to use and the adoption and use of different kinds of early childhood practices (developmentally appropriate practices, curricular…