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Sosu, Edward M.; Schmidt, Peter – Journal of Psychoeducational Assessment, 2017
R. Goodman's Strength and Difficulties Questionnaire (SDQ) is widely used to measure emotional and behavioral difficulties in childhood and adolescence. In the present study, we examined whether the SDQ measures the same construct across time, when used for longitudinal research. A nationally representative sample of parents (N = 3,375) provided…
Descriptors: Behavior Problems, Questionnaires, Child Behavior, Screening Tests
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Ehm, Jan-Henning; Kerner auch Koerner, Julia; Gawrilow, Caterina; Hasselhorn, Marcus; Schmiedek, Florian – Developmental Psychology, 2016
The present longitudinal study aimed to investigate the influence of ADHD symptoms on reading development in elementary schoolchildren. To this end, repeated assessments of ADHD symptoms (teacher ratings of inattention, hyperactivity, and impulsivity) and reading achievement (standardized tests of decoding speed and text comprehension) were…
Descriptors: Correlation, Elementary School Students, Attention Deficit Hyperactivity Disorder, Individual Differences