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Crosnoe, Robert; Smith, Chelsea; Leventhal, Tama – Applied Developmental Science, 2015
Applying latent class and regression techniques to data from the NICHD Study of Early Child Care and Youth Development (n = 997), this study explored the potential academic advantages of time spent in out-of-school activities. Of particular interest was how these potential advantages played out in relation to the timing and duration of activity…
Descriptors: Family Characteristics, Academic Achievement, High School Students, Low Income
Roach, Andrew T.; Elliott, Stephen N.; Webb, Norman L. – Wisconsin Center for Education Research (NJ1), 2003
The primary purpose of the investigation was to determine the extent to which (a) the Wisconsin Alternate Assessment (WAA) adequately measures the skills and concepts that make up the curriculum and instruction of students with significant disabilities; and (b) the WAA adequately measures the concepts and skill areas represented in Wisconsin's…
Descriptors: Test Validity, Rating Scales, Individualized Education Programs, Content Validity