ERIC Number: EJ1201536
Record Type: Journal
Publication Date: 2019-Feb
Abstractor: As Provided
Does the Effect of a Time Limit for Testing Impair Structural Investigations by Means of Confirmatory Factor Models?
Schweizer, Karl; Reiß, Siegbert; Troche, Stefan
Educational and Psychological Measurement, v79 n1 p40-64 Feb 2019
The article reports three simulation studies conducted to find out whether the effect of a time limit for testing impairs model fit in investigations of structural validity, whether the representation of the assumed source of the effect prevents impairment of model fit and whether it is possible to identify and discriminate this method effect from another method effect. Omissions due to the time limit for testing were not considered as missing data but as information on the participants' processing speed. In simulated data the presence of a time-limit effect impaired comparative fit index and nonnormed fit index whereas normed chi-square, root mean square error of approximation, and standardized root mean square residual indicated good model fit. The explicit consideration of the effect due to the time limit by an additional component of the model improved model fit. Effect-specific assumptions included in the model of measurement enabled the discrimination of the effect due to the time limit from another possible method effect.
Descriptors: Timed Tests, Testing, Barriers, Testing Problems, Goodness of Fit, Error of Measurement, Factor Analysis
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
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