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Acar, Selcuk; Sen, Sedat; Cayirdag, Nur – Gifted Child Quarterly, 2016
Current approaches to gifted identification suggest collecting multiple sources of evidence. Some gifted identification guidelines allow for the interchangeable use of "performance" and "nonperformance" identification methods. This multiple criteria approach lacks a strong overlap between the assessment tools; however,…
Descriptors: Academically Gifted, Talent Identification, Meta Analysis, Performance
Kis, Ali; Konan, Necdet – Educational Sciences: Theory and Practice, 2014
The main aim of this study was to gather teachers' views to determine the effect size of gender differences on the instructional leadership behavior of school principals. The standardized mean difference (SMD) was calculated to measure the effect size in this study. An initial search yielded 126 studies on the research topic, which consists…
Descriptors: Meta Analysis, Gender Differences, Statistical Analysis, Coding