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Lai, Meng-Lung; Baroody, Arthur J.; Johnson, Amanda R. – Cognitive Development, 2008
The present research involved gauging preschoolers' learning potential for a key arithmetic concept, the addition-subtraction inverse principle (e.g., 2+1-1=2). Sixty 4- and 5-year-old Taiwanese children from two public preschools serving low- and middle-income families participated in the training experiment. Half were randomly assigned to an…
Descriptors: Experimental Groups, Social Class, Intervention, Subtraction
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Udell, Wadiya – Cognitive Development, 2007
The present study sought to evaluate (a) the effectiveness of an intervention in developing adolescents' argument skills regarding a decision on a topic of high potential personal relevance (teen pregnancy) or one of general social relevance (capital punishment), and (b) differential effects of the two topics in promoting the generalization of…
Descriptors: Intervention, Females, Pregnancy, Persuasive Discourse