The Kaufman Domains of Creativity Scale (K-DOCS) is a self-reported rating scale that measures creative behaviors in five areas. Despite the vast amount of research on the scale, the internal consistency reliability of K-DOCS scores have not been examined. Specifically, there is no study on the overall reliability coefficients, the variation in…

This study examines how self-esteem and social support (parental, teacher, and peer) influence the career maturity of Korean adolescents over time. By synthesizing findings from 18 longitudinal studies, a meta-analysis was conducted. Results reveal that while self-esteem initially shows a strong correlation with career maturity, this relationship…

This meta-synthesis study aims to reveal the types of bilingualism in Turkey by interpreting the quantitative data and findings obtained from studies on bilingualism types. In the light of the findings, 28 types of bilingualism and 5 classification criteria have been identified in the theses written on bilingualism in the "Turkish Higher…

This meta-analysis aims to quantitatively synthesize the relation between the essential components of reading and reading comprehension in children whose first language is Spanish and who are learning to read in Spanish in a monolingual setting. Searches were conducted in WOS, Scopus, and ERIC from 2000 to 2021. We used a random effects model and…

Recent studies highlight the effect of cognitive factors on academic achievement, ignoring motivational, emotional, and social factors. This provides the background for the present study, a meta-analysis on the relationship between academic achievement and motivational factors (motivation, self-concept, and self-esteem), emotional factors…

Using meta-analytic techniques, we examined systematically the evidence linking friendship to academically related outcomes, asking: To what extent is friendship related to academic performance and to academically related cognitive skills? Based on 22 studies that yielded 81 effect sizes and 28 independent samples, we examined relations between…

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…

Intellectual disability is an extremely stigmatizing condition and involves utilization of large public health resources, but most data about its burden is based on studies conducted in developed countries. The aim of this meta-analysis was to collate data from published literature and estimate the prevalence of intellectual disability across all…

Attachment theory suggests that children's attachment insecurity plays a key role in the development of anxiety. In the present study we evaluated the empirical evidence for the link between insecure attachment and anxiety from early childhood to adolescence. A meta-analysis of 46 studies, from 1984 to 2010, including 8,907 children, was…

This meta-analysis addresses whether achievement goal researchers are using different labels for the same constructs or putting the same labels on different constructs. We systematically examined whether conceptual and methodological differences in the measurement of achievement goals moderated achievement goal intercorrelations and relationships…

A meta-analysis of 69 data sets ( N = 125,308) was carried out on studies that simultaneously evaluate the effects of math and verbal achievements on math and verbal self-concepts. As predicted by the internal/external frame of reference (I/E) model, math and verbal achievements were highly correlated overall (0.67), but the correlation between…

Many primary studies have been performed to reveal the effects of computer assisted instruction (CAI) on students' attitudes towards science courses. In determining the effectiveness of these studies, gathering and evaluating of the studies at some characteristics play an important role. The aim of this study is to determine meta-analytically the…

This article reports on a replication meta-analysis of Holland's congruence theory, which maps the relationship between vocational interests-vocational environments on one hand and satisfaction on the other. The replication is based on 26 studies reported between 1988 and 2003, representing 53 samples and 6,557 respondents. This meta-analysis also…

While public opinion associates old age with loneliness, some social scientists argue that emotional responses such as loneliness decline in the later years of life. The purpose of this study was to empirically examine life cycle fluctuations in loneliness. To do so, a meta-analysis of 14 data sets involving over 25,000 respondents was performed.…

Objective: Controversy exists over changes in tolerability and response to medications across the life span. Here the authors report data contrasting the efficacy and tolerability of atomoxetine between children and adolescents with attention-deficit/hyperactivity disorder (ADHD). Method: Data were analyzed for children ages 6-11 (510 atomoxetine,…