Meta-analysis of studies on the effects of experimental research on student achievement, attitude and permanence within the scope of material and its nature learning area

In this study, it was aimed to examine the effects and effect sizes of experimental research conducted within the scope of the learning field of Matter and its Nature on students' success, retention and attitude towards science lesson. The aim of the study is to examine the master's and doctoral theses made between 2005-2022 by meta-analysis method. The studies included in the meta-analysis are studies with experimental and control groups. There are 94 studies for academic success, 34 studies for attitude, and 15 studies for permanence in the research. Transaction Efficiency meta-analysis was used in the study and data were calculated according to Hedges's g. CMAV.3, Excel.2010 and SPSS.22 programs were used in the analysis phase. As a result of the research, the effect sizes of the studies on the subject of matter and its nature in science education were calculated. The effect size was found to be 0.778 for academic achievement, 0.453 for attitude and 0.813 for permanence. According to the results obtained, it was determined that the studies carried out had a significant and moderate effect on academic achievement, a small but significant effect on attitude, and a significant and large effect on permanence.