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de Bree, Elise; van der Ven, Sanne; van der Maas, Han – Language Learning and Development, 2017
According to the Integration of Multiple Patterns hypothesis (IMP; Treiman & Kessler, 2014), the spelling difficulty of a word is affected by the number of cues converging on the correct answer. We tested this hypothesis in children's regular past tense formation in Dutch. Past tenses are formed by adding either-"de"…
Descriptors: Indo European Languages, Cues, Error Patterns, Regression (Statistics)
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Megalakaki, Olga; Aparicio, Xavier; Porion, Alexandre; Pasqualotti, Léa; Baccino, Thierry – Educational Psychology, 2016
The usability of interactive whiteboards vs. computers was evaluated on three dimensions (visibility, legibility and comprehension) in the secondary school pupils. The visibility assessment consisted in detecting a visual stimulus varying in luminance using a staircase procedure, legibility was assessed with a target-search task, and we…
Descriptors: Visual Aids, Educational Equipment, Interactive Video, Educational Technology
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Cai, Li; Hayes, Andrew F. – Journal of Educational and Behavioral Statistics, 2008
When the errors in an ordinary least squares (OLS) regression model are heteroscedastic, hypothesis tests involving the regression coefficients can have Type I error rates that are far from the nominal significance level. Asymptotically, this problem can be rectified with the use of a heteroscedasticity-consistent covariance matrix (HCCM)…
Descriptors: Least Squares Statistics, Error Patterns, Error Correction, Computation