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A Meta-Analytic Examination of the Effect of Individual and School-Average Achievement on Students' Self-Concept in Science
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Nurcan Kahraman – Journal of Baltic Science Education, 2024
The purpose of the present study was to examine the effect of individual and school average achievement on students' self-concept in science. The data of the last four Trends in International Mathematics and Science Study (TIMSS) cycles were used, and a two-stage individual data meta-analysis was conducted to examine the relationship between…
Descriptors: Science Achievement, Self Concept, Meta Analysis, Elementary Secondary Education
The Effect of Peer Bullying on Academic Achievement: A Meta-Analysis Study Related to Results of TIMSS and PIRLS
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Gulnar Ozyildirim; Engin Karadag – Psychology in the Schools, 2024
Focusing on the variables that can affect both academic achievement and the well-being of students has been crucial for their development, making schools effective and designing educational policy as well as curriculum. The study has aimed to investigate the effect of peer bullying on academic achievement and to determine moderators in the…
Descriptors: Bullying, Academic Achievement, Meta Analysis, Test Results