Social Comparison is an individual’s tendency to evaluate self-competence by comparing competencies and self-opinion with other individual competencies and opinions, in order to achieve a certain superior position. In this study, the preparation of the measurement instrument was based on the distribution of data contributed by 60 active students of the Faculty of Psychology at Atma Jaya Catholic University, Jakarta, as participants. Measuring instruments are arranged based on aspects that are assumed to form Social Comparison, namely perceptions of certain standards, perceptions of comparative opinions and perceptions of competencies Garcia, Tor and Schiff, 2013; Garcia, Tor and Gonzales, 2006). Based on knowledge of test construction, 22 items were arranged. From the results of data analysis with SPSS version 20, there were 15 items that were declared valid, with a validity score greater than 0.3. These 15 items show reliability of 0.819. Thus, the Social Comparison measuring instrument is stated to meet the rules of validity and reliability, and can be used as a measure of behavior.
Keywords: Questionnaire, Reliability, social comparison, validity
