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Hofer, Scott M.; Flaherty, Brian P.; Hoffman, Lesa – Multivariate Behavioral Research, 2006
The effect of time-related mean differences on estimates of association in cross-sectional studies has not been widely recognized in developmental and aging research. Cross-sectional studies of samples varying in age have found moderate to high levels of shared age-related variance among diverse age-related measures. These findings may be…
Descriptors: Time Perspective, Association (Psychology), Sampling, Case Studies
Thurlow, Martha L. – 2001
This report discusses the outcomes of a study that examined the use of accommodations in state assessment by students with disabilities and explored several related factors. A survey of states indicated 12 states (Florida, Indiana, Kansas, Kentucky, Massachusetts, Maryland, Nevada, New York, Pennsylvania, Rhode Island, South Dakota, and West…
Descriptors: Academic Accommodations (Disabilities), Academic Standards, Age Differences, Alternative Assessment
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Roach, Andrew T. – Research and Practice for Persons with Severe Disabilities (RPSD), 2006
The purpose of this investigation was to understand the variables that influence parents' perceptions of the Wisconsin Alternate Assessment (WAA). Parents and teachers of elementary and secondary students with severe cognitive disabilities (n = 77) from across Wisconsin participated. Teachers submitted case materials that included a copy of the…
Descriptors: Teacher Surveys, Rating Scales, Predictor Variables, Multiple Regression Analysis
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Newsom, Jason T.; Prigerson, Holly G.; Schulz, Richard; Reynolds, Charles F., III – International Journal of Aging and Human Development, 2003
Many topics in aging research address questions about group differences in prediction. Such questions can be viewed in terms of interaction or moderator effects, and use of appropriate methods to test these hypotheses are necessary to arrive at accurate conclusions about age differences. This article discusses the conceptual, methodological, and…
Descriptors: Age Differences, Depression (Psychology), Multiple Regression Analysis, Hypothesis Testing