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Manrique, Héctor M.; Hernández-Gálvez, Yurena; Hernández-Cabrera, Juan; Álvarez, Carlos J. – Journal for the Study of Education and Development, 2022
Fifty-one 23-to-55-month-old-infants faced two apparatuses that required the use of a rigid (box apparatus) or flexible (hose apparatus) stick-like tool to retrieve a toy stuck inside. Before attempting the extraction, however, they had to pick the only one tool (of three) on display that had the appropriate rigidity/flexibility to be effective.…
Descriptors: Infants, Comparative Analysis, Object Manipulation, Toys
Payne, V. Gregory – 1981
A study was designed to determine the effects of various ball sizes on children's catching ability and to examine the results as a between- and within-group factor. It was believed that the use of the two-test design would help to establish the validity of past and future tests of this nature. The between-subjects design group consisted of 48…
Descriptors: Difficulty Level, Elementary Education, Grade 1, Manipulative Materials
Hallam, Philippa M.; Williams, John G. – 1987
The purpose of the study was to determine whether particular aspects of movement control influenced the performance of 2-year-old children on a standard developmental test, and thus influenced assessments of intellectual progress based on that test. Six cerebral-palsied (CP) children were compared with six children not suffering motor system…
Descriptors: Cerebral Palsy, Child Development, Difficulty Level, Early Childhood Education