Developmental Differences in Understanding of Balance Scales in the United States and Zimbabwe.(Statistical Data Included)

From: The Journal of Genetic Psychology | Date: March 1, 2000| Author: | Copyright information

ABSTRACT. This cross-cultural, developmental study of understanding of the physics of a balance scale involved 2 age groups (5- and 22-year-olds) in 2 countries (the United States and Zimbabwe). A factorial design was used. Each participant solved 6 types of balance scale problems, and the patterns of errors for these problem types were analyzed to determine which rules and concepts the participant used (e.g., whether number of weights was considered). As expected, on average, older participants were more accurate than younger participants, although significant age differences in ...

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