Determining Validity and Reliability of Data Gathering Instruments Used by Program Evaluation Studies in Turkey

The purpose of this study is to analyze the validity and reliability of inventories that were used in program evaluation studies realized in Turkey. In accordance with this purpose 12 articles and 38 theses have been analyzed within the scope of the research. According to the findings obtained in the research, it has been determined that regarding validity study in the inventories used in program evaluation studies in Turkey mostly content validity has been furnished; that regarding reliability study mostly the Cronbach Alpha coefficient has been calculated; and that in addition to them the inventories about which no validity and reliability study has been conducted are many in number, as well. Finally in the research a conclusion has been reached that validity and reliability studies of the inventories used in program evaluation researches in Turkey are not adequate.