In this study, it was aimed to develop a scale to determine the data literacy level of high school students. The sample of the research consists of the students studying at high school in the province of Afyonkarahisar, Turkey in the 2020-2021 academic year. Exploratory sequential design, one of the mixed methods was employed in the study. The data were analyzed by Exploratory Factor Analysis (EFA) and it resulted in a structure with 21 items and four subdimensions named as data literacy awareness, self-awareness, data access, data literacy self-efficacy. Cronbach's alpha values for the subscales were found to be 0.910, 0.821, 0.722 and 0.648, respectively and 0.918 for the scale. It can be accepted that the data literacy scale for high school students, consisting of 21 items and 4 sub-dimensions, is a reliable scale. Keywords: data literacy, high school students, scale development DOI: 10.7176/RHSS/12-8-02 Publication date: April 30th 202
