Data processing is an important stage in educational research because it determines the quality of analysis and the accuracy of research conclusions. Errors in processing data can cause misinterpretation and produce conclusions that are not in accordance with the actual conditions. This article aims to review the role of educational research data processing as a foundation in the preparation of valid and accountable research conclusions. The material object in this study is educational research data, both quantitative and qualitative data, while the formal object is the data processing process which includes grouping, presentation, and data analysis. The writing method used is a literature study by studying various relevant scientific sources related to data processing and educational research. The results of the study show that systematic, careful data processing, and according to methodological procedures is able to produce accurate information so that it makes it easier for researchers to draw research conclusions. Thus, data processing not only functions as a technical stage of research, but also as the main foundation in ensuring the quality and validity of educational research conclusions.
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