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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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Hiebert, Elfrieda H.; Fisher, Charles W. – Journal of Educational Research, 2007
"The Critical Word Factor," based on word recognition demands of texts, is a measure of text difficulty designed specifically for texts used by beginning readers. The measure is a function of the number of new, unique words per 100 running words of text that fall outside a designated curriculum. The authors investigated the validity of the…
Descriptors: Word Recognition, Reading Comprehension, Difficulty Level, Reader Text Relationship
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Fawson, Parker C.; Ludlow, Brian C.; Reutzel, D. Ray; Sudweeks, Richard; Smith, John A. – Journal of Educational Research, 2006
The authors present results of a generalizability study of running record assessment. They conducted 2 decision studies to ascertain the number of raters and passages necessary to obtain a reliable estimate of a student's reading ability on the basis of a running record assessment. Ten teachers completed running record assessments of 10…
Descriptors: Reading Ability, Generalizability Theory, Reading Instruction, Error of Measurement