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Niepel, Christoph; Marsh, Herbert W.; Guo, Jiesi; Pekrun, Reinhard; Möller, Jens – Journal of Educational Psychology, 2022
Academic self-concept and achievement have been found to be reciprocally related across time. However, existing research has focused on self-concept and achievement scores that have been averaged over long time-periods. For the first time, the present study examined intraindividual (within-person) relations between momentary (state) self-concept…
Descriptors: Foreign Countries, Secondary School Students, Grade 9, Grade 10