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The first objective of the present study was to test the factorial validity of the inventory designed to measure students’ motivation to study physics in school. Based on self-determination theory (SDT), it was hypothesised that the four factors of External Regulation, Introjected Regulation, Identified Regulation and Intrinsic Motivation account for the covariances among the items of the inventory. It was also expected that gender moderates the factorial validity of the inventory. A sample of 3626 Finnish comprehensive school students was used. A multilevel confirmatory factor analysis (MLCFA) was used to investigate the fit of the hypothesised four-factor model. The second objective of the present study was to investigate different educational correlates of the four motivation factors. Girls had a statistically higher mean score than did boys for all four factors. Otherwise only minor gender differences were found. Implications for physics teaching are discussed. Key words: motivational orientations, multilevel confirmatory factor analysis, science learning, self-determination theory.
Byman et al. (Wed,) studied this question.