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Direct linkLakin, Joni M.; Gambrell, James L. – Intelligence, 2012
Measures of broad fluid abilities including verbal, quantitative, and figural reasoning are commonly used in the K-12 school context for a variety of purposes. However, differentiation of these domains is difficult for young children (grades K-2) who lack basic linguistic and mathematical literacy. This study examined the latent factor structure…
Descriptors: Evidence, Validity, Item Response Theory, Numeracy
Vock, Miriam; Holling, Heinz – Intelligence, 2008
The objective of this study is to explore the potential for developing IRT-based working memory scales for assessing specific working memory components in children (8-13 years). These working memory scales should measure cognitive abilities reliably in the upper range of ability distribution as well as in the normal range, and provide a…
Descriptors: Test Items, Academic Achievement, Factor Structure, Factor Analysis
