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Processing fluency as a predictor of salience asymmetries in the Implicit Association Test
Betty P I Chang1, Chris J Mitchell
1University of New South Wales, Sydney, New South Wales 2052, Australia. bchang@psy.unsw.edu.au
Processing fluency, not visual search, explains compatibility effects in the Implicit Association Test (IAT). This finding suggests the IAT may better reflect cognitive processing than implicit attitudes.
Area of Science:
- Social Psychology
- Cognitive Psychology
Background:
- The Implicit Association Test (IAT) is widely used to measure implicit attitudes.
- Rothermund and Wentura proposed that salience asymmetries, linked to visual search, cause IAT compatibility effects, questioning its validity as an attitude measure.
Purpose of the Study:
- To investigate whether processing fluency or visual search asymmetry is a better predictor of IAT compatibility effects.
- To determine the underlying mechanism of salience asymmetries in the IAT.
Main Methods:
- Four experiments were conducted comparing processing fluency and visual search asymmetry.
- Stimulus categories were manipulated to create opposing relationships between visual search speed and processing fluency.
Main Results:
- IAT compatibility effects consistently correlated with differences in processing fluency between categories.
- Visual search asymmetries did not reliably predict IAT compatibility effects across experiments.
Conclusions:
- Processing fluency is a more robust indicator of salience asymmetries influencing the IAT than visual search asymmetry.
- The findings challenge the interpretation of IAT compatibility effects as solely reflecting implicit attitudes, highlighting the role of cognitive processing fluency.
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