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The Psychometric Paradox of Practice Effects Due to Retesting: Measurement Invariance and Stable Ability Estimates in the Face of Observed Score Changes
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Reeve, Charlie L.; Lam, Holly – Intelligence, 2005
The simple practice effects commonly observed when retaking general cognitive ability tests present a potential paradox. If observed score changes reflect real changes in g, we must revisit our understanding of its stability. Conversely, if observed score changes reflect something other than a true change in the underlying latent construct, this…
Descriptors: Psychometrics, Cognitive Ability, Cognitive Measurement, Test Theory