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Direct linkGiota, Joanna; Gustafsson, Jan-Eric – Scandinavian Journal of Educational Research, 2021
The study is based on two waves of longitudinal data at ages 13 and 16 aimed to examine factors that explain psychosomatic and depressive symptoms at the age of 16. The sample is nationally representative involving 9000 individuals from the Swedish longitudinal Evaluation Through Follow up database born in 1998. A growth modeling approach was…
Descriptors: Foreign Countries, Peer Relationship, Teacher Student Relationship, Psychosomatic Disorders
Peer reviewedGustafsson, Jan-Eric; Undheim, Johan Olav – Journal of Educational Psychology, 1992
The stability of some dimensions of ability between the ages of 12 and 15 years was investigated for 225 boys and 242 girls in Sweden. Testing in grades 6, 8, and 9 indicated high stability for the general intelligence factor and for the residual of the General Visual factor. (SLD)
Descriptors: Ability, Adolescents, Age Differences, Comparative Testing
Peer reviewedGustafsson, Jan-Eric; Balke, Gudrun – Multivariate Behavioral Research, 1993
Relations between aptitude variables and school achievement were investigated using a model of ability that permits simultaneous identification of general and specific abilities. Subjects were 866 Swedish students who were given aptitude tests in grade 6; results of that test were compared with course grades collected in grade 9. The usefulness of…
Descriptors: Ability, Ability Identification, Academic Achievement, Aptitude
