Indirect Measurement of Motivation
Developing and Testing a Motivational Recoding-Free Implicit Association Test (m-IAT-RF)
Abstract
For the indirect measurement of approach-avoidance tendencies, two procedures are introduced and compared. The procedures are modifications of the standard IAT and the Recoding-Free IAT (IAT-RF) and use a motivational attribute dimension (approach, avoidance) instead of an evaluative one. Study 1 (N = 162) assesses their convergent and discriminant validity with respect to self-reported measures of motivation and evaluation, and their predictive validity with respect to actual behavior. Study 2 (N = 205) furthermore compares their validity to evaluative variants of the same test paradigms. Overall, both procedures perform similarly. In Study 2, procedures based on the IAT-RF are superior, and the motivational IAT-RF shows the highest predictive validity. Unfortunately, no evidence for incremental validity over explicit measures alone is found for any of the implicit measures. Furthermore, procedures based on the IAT-RF appear to be less reliable than procedures based on the standard IAT. A possible explanation is offered.
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