Indonesia, as one of the most populous countries in the world, presents a potential market for the growth of various types of social media. However, the rapid penetration of social media has not been matched by a good level of literacy among its users, leading to a tendency for social media use to have negative implications. The literacy instruments used to measure media literacy certainly need a quality analysis to ensure that the instruments developed can indeed measure what they intend to measure. Rasch Model instrument analysis can be a way to assess the quality of the developed instruments. This study is a developmental research aimed at developing a media literacy instrument. The analysis in this article is conducted to describe the quality of the media literacy instrument that has been developed. The subjects in this study are 421 response patterns to a set of questionnaire statements consisting of 25 items on a Likert scale with four alternative answers. Based on the research conducted, it was found that out of the 25 items tested, they have good validity and reliability. However, among the 25 statements tested, there are 4 statements that are considered less fit or less effective in measuring media literacy indicators. Out of 421 respondents, 17.58% of respondents have high literacy skills, 72.2% have moderate media literacy skills, and the remaining 10.2% have low media literacy.
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