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Craje, Celine; van Elk, Michiel; Beeren, Manuela; van Schie, Hein T.; Bekkering, Harold; Steenbergen, Bert – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
We investigated whether motor planning problems in people with Hemiparetic Cerebral Palsy (HCP) are paralleled by impaired ability to use Motor Imagery (MI). While some studies have shown that individuals with HCP can solve a mental rotation task, it was not clear if they used MI or Visual Imagery (VI). In the present study, motor planning and MI…
Descriptors: Reaction Time, Imagery, Cerebral Palsy, Disabilities
Hooper, Frank H.; And Others – 1974
A series of Piagetian concrete operations period tasks dealing with classificatory concepts was administered to 280 children (40 subjects from each of seven levels--preschool, kindergarten, and first, second, third, fourth, and sixth grades). Significant main effects for age were found for all the tasks. Few significant sex differences were…
Descriptors: Children, Classification, Cognitive Ability, Concept Formation