Abstract
To validate the instructional sensitivity of the Objectives-based Motor-skill Assessment Instrument 34 preschoolers aged 30 to 65 mo. were randomly assigned to a group who received formal motor-skill instruction or one who received supervised free play for 30 min. three times weekly for 10 wk. This test was administered before and after 10 wk. according to standardized procedures. A one-way analysis of covariance was applied to the total-test score to examine the effect of training, using the pretest data as the covariate. When the differences attributed to pretest scores were partialled out, there were significant between-group differences in posttest scores favoring the instructed group. This result supports the claim by the test developer that the test can be used to evaluate the success of fundamental training programs for gross motor skill.
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