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Arens, A. Katrin; Hasselhorn, Marcus – European Journal of Psychology of Education, 2015
This study aimed to address two underexplored research questions regarding support for the separation between competence and affect self-perceptions due to differential relations to outcome criteria. First, it is tested whether higher relations between affect self-perceptions and effort than between competence self-perceptions and effort can also…
Descriptors: Self Concept, Factor Analysis, Elementary School Students, Generalization
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Motsch, Hans-Joachim; Marks, Dana-Kristin – Child Language Teaching and Therapy, 2015
Lexicon Pirate was originally developed as a strategy intervention programme to treat lexical disorders of pre-school children. To evaluate the therapy's effectiveness for school-age students, a randomized controlled trial (RCT, N = 157) was conducted. Based on a pre--post-test design, the programme's impacts were compared with a control group…
Descriptors: Intervention, Program Effectiveness, Pretests Posttests, Experimental Groups