This is the first meta-analysis to examine the outcomes of nonfamilial, intergenerational programs (IGP) on youth and older adults. Relevant studies were identified by screening the abstracts from five systematic reviews on the impact of intergenerational programs on psychosocial outcomes. After all studies were screened 23 independent studies…

A rich home literacy environment (HLE) fosters students' academic achievement. However, the link between HLE and children's reading comprehension is unclear. This study examined the effects of HLE factors on children's reading comprehension through a meta-analysis of 59 studies conducted between 1998 and 2018. Results of the meta-analysis…

This systematic review examined the effects of distinct physical activity interventions on the academic achievement of school students based on an analysis of four distinct outcomes: mathematics, language, reading, and composite scores. This study was performed in accordance with the PRISMA guidelines and the QUORUM statement. A literature search…

Some research has investigated the big five personality dimensions among gifted individuals, but these individual studies have provided inconclusive results. The current meta-analysis examined the nature of the relationship between the big five dimensions and giftedness among individuals. Hedge's unbiased g was used as the effect size metric, and…

Objective: Schools are important settings for health promotion. In schools, children and adolescents can be reached regardless of their social background, which represents a unique opportunity for promoting health. Several studies have demonstrated the importance of school leadership in initiating and sustaining health promotion; however, efforts…

This article provides a meta-analysis of experimental research findings on the existence of bias in subjective grading of student work such as essay writing. Twenty-three analyses, from 20 studies, with a total of 1935 graders, met the inclusion criteria for the meta-analysis. All studies involved graders being exposed to a specific type of…

Widespread use of the Internet in 21st century society is not risk-free. This paper studies the comorbidity of some problematic uses of Internet with depression in order to assess their correlation. With that aim, a meta-analysis of 19 samples obtained from 13 different studies (n=33,458) was carried out. The subjects of these studies are…

The main objective of the present review is to evaluate the knowledge and attitudes of physical education (PE) teachers concerning dental trauma first-aid through a systematic appraisal of the literature, meta-analysis and meta-regressions. The entire content of PubMed and ISI/Web of Science was mined. Eligibility criteria for selecting studies…

This systematic review investigates the relevance of general pedagogical knowledge for successful teaching. It synthesises the empirical evidence of 10 769 teaching professionals and 853 452 students from primary to tertiary education in 21 countries. The meta-analysis of 20 quantitative studies revealed significant effects for teaching quality…

Instructional leadership can be explained as an educational leadership approach whereby the school principal engages in a wide range of activities aiming to improve teaching and learning for all students. A recent meta-analysis found that female principals engaged in more active instructional leadership than male counterparts. The current…

Women's underrepresentation in mathematics-related careers continues to concern policymakers, economists, and educators. This study addressed the issue by examining data from two international databases, namely IEA's "Trends in International Mathematics and Science Study 2015," and the World Economic Forum's "Global Gender Gap…

The purpose of this study was to systematically review the literature on the prevalence of adverse childhood experiences (ACEs) in school-aged youth (i.e., [less than or equal to] 18 years). Inclusion and exclusion search criteria led to the identification of 96 articles published during a 25-year period. Articles containing international samples…

The first years of life lay the foundations for a child's future development and learning. Many countries have increased their financial support for provision of early childhood education and care (ECEC) over the past years. More recently, the focus of debate has been shifting from expanding access to affordable ECEC to enhancing its quality. A…

This study examined the relationships among statistics achievement and four components of attitudes toward statistics (Cognitive Competence, Affect, Value, and Difficulty) as assessed by the SATS. Meta-analysis results revealed that the size of relationships differed by the geographical region in which the studies were conducted as well as by the…

Social essentialism, the belief that members of certain social categories share unobservable properties, licenses expectations that those categories are natural and a good basis for inference. A challenge for cognitive developmental theory is to give an account of how children come to develop essentialist beliefs about socially important…