Kinesthetic aftereffect and personality: A case study of issues involved in construct validation.
Auteurs
Harvey A Baker, Brian Mishara, Irene W Kostin, Lawrence Parker.
Résumé
The kinesthetic aftereffect (KAE) task, once a promising personality index, has been abandoned by many investigators because of poor retest reliability and intermittent validity. In challenging this current consensus, it is argued that (a) first-session KAE is valid; (b) poor retest reliability simply reflects later-session bias; and (c) hence, multisession studies should not be used to assess validity without taking this bias into account. Those recent studies which failed to support KAE validity were each multisession in design. If the present bias contention is correct, these studies should be ignored, and the claim of intermittent validity is thus rebutted. Reanalysis of the most recent major multisession, nonsupportive validity study indicates (a) Session 1 validity, (b) later-session bias, and (c) later-session validity when multisession scores are combined to avoid bias. Thus, KAE validly measures personality. (38 ref) ( (c) 2002 APA, all rights reserved)
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