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Normative Development of Physical Aggression from 8 to 26 Months
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Naerde, Ane; Ogden, Terje; Janson, Harald; Zachrisson, Henrik Daae – Developmental Psychology, 2014
This study investigated the normative use and developmental course of physical aggression (PA), defined as use of physical force such as hitting, biting, and kicking, from 8 to 26 months and predictors thereof. We used data from the Behavior Outlook Norwegian Developmental Study, comprising 1,159 children (559 girls and 600 boys). Both mothers and…
Descriptors: Aggression, Developmental Stages, Developmental Psychology, Toddlers
Scientific Reasoning in Early and Middle Childhood: The Development of Domain-General Evidence Evaluation, Experimentation, and Hypothesis Generation Skills
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Piekny, Jeanette; Maehler, Claudia – British Journal of Developmental Psychology, 2013
According to Klahr's (2000, 2005; Klahr & Dunbar, 1988) Scientific Discovery as Dual Search model, inquiry processes require three cognitive components: hypothesis generation, experimentation, and evidence evaluation. The aim of the present study was to investigate (a) when the ability to evaluate perfect covariation, imperfect covariation,…
Descriptors: Logical Thinking, Science Process Skills, Inquiry, Child Development
Endorsement of Ellis' Irrational Beliefs as a Function of Age.
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Lee, Dong Yul; And Others – Journal of Clinical Psychology, 1979
Children from grades 5, 7, 9, 11, and 13 were administered a modification of Ellis' eleven irrational beliefs questionnaire. As predicted, the younger children showed higher irrational scores, indicating that endorsing irrational beliefs is a function of age. Construct validity and uses of the scale are discussed. (Editor/SJL)
Descriptors: Age Differences, Attitude Measures, Beliefs, Childhood Attitudes