Browsing by Subject "Gifted and talented students"

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    The ımpact of teaching mathematics with geogebra on the conceptual understanding of limits and contınuıty: The case of Turkish gifted and talented students
    (2015) Aydos, Mustafa
    There is strong evidence in mathematics education literature that students benefit extensively from the use of technology that allows for multiple representations of mathematical concepts. The benefits include developing an advanced level of mathematical thinking and conceptual understanding. The purpose of this study was to investigate the impact of teaching limits and continuity topics in GeoGebrasupported environment on students’ conceptual understanding and attitudes toward learning mathematics through technology. The sample consisted of 34 students studying in a unique high school for gifted and talented students in Turkey. This study followed a pre-test post-test controlled group design. Conceptual understanding of the topics of limits and continuity was measured through openended questions while attitudes toward learning mathematics through technology was measured using a Likert-type survey. The intervention was teaching with GeoGebra in contrast to using traditional instruction in the control group. Data were analyzed with an independent samples t-test on gain scores for control and experimental groups. In the conceptual understanding test, the gain scores of the experimental group was found to be 1.33 standard deviations higher than that of the control group on the average. This finding was evaluated noteworthy in terms of previously-conducted research on the impact of GeoGebra. Furthermore, the study found that student attitudes toward learning mathematics through technology improved, as well. The researcher concluded that Geogebra may be an effective tool for teaching calculus to gifted and talented students .
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    Meta-analysis on the effect of enrichment programs on the academic achievement of gifted and talented students
    (2022-08) Tosun, Ayten Sengü
    Much research has been conducted about gifted education recently. One of the most applied interventions in gifted education is enrichment. Enrichment is the teaching and learning process that increases the depth and complexity of typical school subjects. In this thesis, the effects of enrichment on the academic achievement of gifted and talented students, was examined. The meta-analytic procedure was used to determine the overall effect size. The researcher used Education Resources Information Center database (ERIC), the most comprehensive database on education literature, Bilkent online library, and Google Scholar to detect relevant studies. The studies were filtered to the studies published between 2013 and 2021. After applying the inclusion and exclusion criteria, 22 studies were determined to be included in this meta-analysis. The pooled effect size was estimated under the random-effects model using the R statistical software. The effect size measure used was Hedges’ g. The findings showed that enrichment programs had a positive moderate effect (g= 0.68, 95% CI [0.31, 1.05]) on students’ academic achievement. To investigate the robustness of the findings, heterogeneity analyses were conducted and publication bias was investigated through the funnel plot. High heterogeneity (I2=84.6%) of the findings supports the use of a random-effects model. Also, the funnel plot showed an asymmetry which might be the reason for this heterogeneity and/or a possible publication bias found in the literature. In addition, subgroup analyses were performed to check for possible reasons for this high heterogeneity.