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Hakkı Kontas
Adıyaman University
Education

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Adapting Sources of Middle School Mathematics Self-Efficacy Scale to Turkish Culture Hakkı Kontas; Bahadır Ozcan
International Journal of Evaluation and Research in Education (IJERE) Vol 6, No 4: December 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.394 KB) | DOI: 10.11591/ijere.v6i4.10771

Abstract

The purpose of this study was to adapt the Sources of Middle School Mathematics Self-Efficacy Scale developed by Usher and Pajares to Turkish culture. This scale assesses Bandura’s theorized sources of self-efficacy among mathematics students in middle school. After the Turkish version of the scale was formed, it was applied 6th, 7th and 8th grades 282 middle school students (157 girls and 125 boys). Results of Confirmatory Factor Analysis (CFA) showed good fit indeces; χ2/sd= 2.25, RMSEA= .06, CFI= .98, NNFI= .97 and SRMR= .05. These values indicated that the proposed four factor model was acceptable for this Turkish sampling. The reliability coefficient estimated by Cronbach alpha was found; mastery experience α= .86, vicarious experience α= .75, social persuasions α= .94, physiological state α= .91. Also the reliability coefficient estimated by split-half was found; mastery experience α= .81, vicarious experience α= .73, social persuasions α= .92, physiological state α= .89. Deciding on stability of the scale test-retest applied to 36 studens for 16 days interval. Results showed that mastery experience r= .67, vicarious experience r= .48, social persuasions r= .63, physiological state r= .41. These values indicated that this scale is a reliable instrument for Turkish sampling. In conlusion, Sources of Mathematics Self-Efficacy Scale is a valid and reliable instrument to meeasure sources of mathematics self-efficacy for middle school students in Turkish culture.
Investigating the Written Exam Scores’ Prediction Power of TEOG Exam Scores Hakkı Kontaş; Esen Turan Ozpolat
International Journal of Evaluation and Research in Education (IJERE) Vol 6, No 1: March 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.765 KB) | DOI: 10.11591/ijere.v6i1.6344

Abstract

The purpose of this study was to investigate exam scores’ predicting Transition from Primary to Secondary Education (TEOG) exam scores. The research data were obtained from the records of 1035 students studying at the first term of eighth grade in 2015-2016 academic year in e-school system. The research was on relational screening model. Linear regression model was used for the analysis of data. The analysis results proved that there was a high level significant relationship between exam scores and TEOG exam scores.
Co-Authors Bahadır Ozcan Esen Turan Ozpolat