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Heilmann, John; DeBrock, Lindsay; Riley-Tillman, T. Chris – American Journal of Speech-Language Pathology, 2013
Purpose: The purpose of this study was to examine the reliability of, and sources of variability in, language measures from interviews collected from young school-age children. Method: Two 10-min interviews were collected from 20 at-risk kindergarten children by an examiner using a standardized set of questions. Test-retest reliability…
Descriptors: Measures (Individuals), Structured Interviews, Reliability, Kindergarten
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Floyd, Randy G.; Shands, Elizabeth I.; Rafael, Fawziya A.; Bergeron, Renee; McGrew, Kevin S. – Intelligence, 2009
To understand the extent to which the general-factor loadings of tests are inherent in their characteristics or due to the sampling of tests, the number of tests in the correlation matrix, and the factor-extraction methods used to obtain them, test scores from a large sample of young adults were inserted into independent and overlapping batteries…
Descriptors: Generalizability Theory, Young Adults, Factor Analysis, Correlation
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Zinbarg, Richard E.; Yovel, Iftah; Revelle, William; McDonald, Roderick P. – Applied Psychological Measurement, 2006
The extent to which a scale score generalizes to a latent variable common to all of the scale's indicators is indexed by the scale's general factor saturation. Seven techniques for estimating this parameter--omega[hierarchical] (omega[subscript h])--are compared in a series of simulated data sets. Primary comparisons were based on 160 artificial…
Descriptors: Computation, Factor Analysis, Reliability, Correlation