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A1 Djedidi, Afifa AB The article aims to clarify the various necessary steps that researchers in the psychological and educational fields must follow when using various tests, scales and questionnaires in their research and studies. These steps are collectively called "standardization"; which includes different stages, the first of which is determining the ease or difficulty of the test items for the standardization sample, then the extent to which each item can discriminate in the performance of the sample members as well as its stability. This is followed by the second stage, which includes verifying the psychometric properties of the measurement tool. In the third stage, the researcher must extract the standards that give meaning to the results of the measurement tool, through which he/she can interpret the measurement results. (Published abstract) http://search.shamaa.org/abstract_en.gif OP pp. 57-75 PB İzmir Dokuz Eylul University 2025 PP İzmir Dokuz Eylul University 2025 SN 31083765 T1 Standardization of psychological and educational scales and test [Article] UL https://search.shamaa.org/PDF/Articles/FC/TUJses/JsesVol1No2Y2025/jses_2025-v1-n2_057-075_eng_authsub.pdf Full text (PDF) 1 http://search.shamaa.org/fulltext.gif YR İzmir Dokuz Eylul University 2025