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Landauer, Thomas K.; Kireyev, Kirill; Panaccione, Charles – Scientific Studies of Reading, 2011
A new metric, Word Maturity, estimates the development by individual students of knowledge of every word in a large corpus. The metric is constructed by Latent Semantic Analysis modeling of word knowledge as a function of the reading that a simulated learner has done and is calibrated by its developing closeness in information content to that of a…
Descriptors: Reading Research, Vocabulary Development, Semantics, Statistical Analysis
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Brennan, Robert L. – Applied Measurement in Education, 1992
A conceptual framework and heuristic model for considering the existence, magnitude, and consequences of context effects are presented through an extension of some generalizability theory concepts. Context effects are often misunderstood, and current measurement models have serious limitations for examining them. Their importance needs to be…
Descriptors: Adaptive Testing, Context Effect, Equated Scores, Equations (Mathematics)