Özet:

The aim of this study is to determine the methods and approaches that have the greatest impact by examining the most common methods and approaches used in the teaching of the subject area of matter and its nature on academic success. For this purpose, 38 experimental studies that met the inclusion criteria and were conducted in Turkey between dec000 and 2020 were examined by meta-analysis method. The Hedges g index was used for the effect sizes of individual studies. In order to calculate the overall effect size, the effect sizes of individual studies were combined with a random effects model. As a result of the meta-analysis, the overall effect size was found to be moderate (g=0.754) and significant (p<.05) is designated as. In order to determine the significance of the variance between the effect sizes, the heterogeneity test was performed decisively (p<.05) has come out. In order to determine the source of the variance, categorical moderator analysis was performed according to the method and approach, level of instruction and type of publication. As a result of this test, it was determined that the type of method is a significant moderator, the level of teaching and the type of publication are not significant. As a result of meta-regression performed to determine whether the application time of the experimental process is a significant predictor of the effect sizes, the application time is not a significant predictor (p<.05) has been determined.

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