Although the high costs of implementing personnel development programs in enterprises and increasingly in universities as well are commonly accepted, the scientifically-grounded evaluation of a program's effectiveness is often neglected. The aim of this paper was to evaluate a personnel development program for academics at a German university…

Educational inequality and mathematics achievement have been long-term concerns in England. However, most studies of inequalities focus on achievement across multiple-subjects, and studies of mathematics achievement gaps tend to look at a single test in a single year. This study provides an overview of mathematics achievement gaps in the last 13…

Peer tutoring has become a widely used practice in higher education institutions to support students' academic success, although its effects remain controversial. This article synthesizes 27 independent experimental and quasi-experimental studies to examine the relationship between peer tutoring programs and college students' academic performance,…

The aim of this review was to support the Education Endowment Foundation (EEF), other funders, and developers and deliverers scaling-up interventions by undertaking, for the seven effectiveness trials that had been completed by 2019: (1) a quantitative comparison of effect sizes at the efficiency and effectiveness stages; and (2) a qualitative…

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 sought to delineate the implementation of Problem-Based Learning (PBL) and peer- and self- assessment in a teacher training programme. This intervention was accompanied by measuring the participants' perceptions of the PBL environment and the assessment methods used compared with those of other courses they were previously enrolled in.…

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…

This meta-analysis assessed the effectiveness of mandala coloring, compared with free drawing, on state anxiety in adults. A systematic search for studies yielded eight studies, which constituted a total of 578 participants, with 289 in the mandala coloring group and 289 in the free drawing group. The results indicated that coloring mandala…

The goal of this meta-analysis is to ascertain how online learning has affected Indonesian students' ability to learn mathematics. Descriptive analysis was used to compile info from 41 pieces of information about the research, such as sample size, standard deviation, mean values for the experimental and control groups, and other data. Data…

Educational stakeholders are keen to know the magnitude and importance of different interventions. However, the way evidence is communicated to support understanding of the effectiveness of an intervention is controversial. Typically studies in education have used the standardised mean difference as a measure of the impact of interventions. This…

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 explores the development and evaluation of a digital learning ecosystem through metaverse experiences aimed at enhancing the competencies of modern digital entrepreneurs. The objectives were as follows: (1) to study the digital learning ecosystem through metaverse experiences, (2) to design and develop a digital learning ecosystem using…

This report presents findings from exploratory, descriptive meta-analyses of effect sizes reported by the first 82 EEF evaluations that used a randomised controlled trial (RCT) or clustered RCT impact evaluation design published up to January 2019. The review used a theoretical framework derived from literature with five overarching themes to…

This document summarises key findings from the quantitative strands of a review of the Education Endowment Foundation (EEF) evaluations that had reported from the establishment of EEF in 2011 up to January 2019. The quantitative strands summarised include meta-analyses of effect sizes reported for attainment outcomes and descriptive analyses of…

This document provides supplementary statistical tables to support the review of Education Endowment Foundation (EEF) evaluations. This includes: (1) Descriptive (univariate) tables for all explanatory variables; (2) Tables for the meta-analyses of primary ITT effect sizes; (3) Tables for the meta-analyses of secondary ITT effect sizes; (4) Tables…