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Direct linkDatta, Sumona; Dutta Roy, Debdulal – Journal of Cognitive Education and Psychology, 2021
Measurement of mental rotation presents a serious challenge to cognitive researchers owing to the lack of a single comprehensive measure that can be applied across the developing age groups. Objective of the present study was to develop and validate a new measure of mental rotation for preadolescent and adolescent age groups. Items were…
Descriptors: Spatial Ability, Visualization, Preadolescents, Adolescents
Sideridis, Georgios D. – Educational and Psychological Measurement, 2016
The purpose of the present studies was to test the hypothesis that the psychometric characteristics of ability scales may be significantly distorted if one accounts for emotional factors during test taking. Specifically, the present studies evaluate the effects of anxiety and motivation on the item difficulties of the Rasch model. In Study 1, the…
Descriptors: Learning Disabilities, Test Validity, Measures (Individuals), Hierarchical Linear Modeling
