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Extrinsic Affective Simon Task (EAST)

Running the Extrinsic Affective Simon Task (EAST) with locally or online with Inquisit.


To see the script run in Inquisit Web, click "View Web Demo". To run it locally with Inquisit Lab, first install Inquisit Lab, and then download the script.

Extrinsic Affective Simon Task
This script runs the Extrinsic Affective Simon Task (EAST), a measure of implicit attitudes developed by Jan De Houwer (De Houwer, 2003).
Inquisit 4 Download Script View Web Demo Last Updated: Jul 25, 2014, 2:40PM
Inquisit 3 Download Script View Web Demo Last Updated: Oct 3, 2012, 10:10AM

Selected Bibliography

De Houwer, J. (2003). The Extrinsic Affective Simon Task. Experimental Psychology, 50, 77-85.

De Houwer, J., Crombez, G., Kostner, E. H. W., De Beul, N. (2004). Implicit alcohol-related cognitions in a clinical sample of heavy drinkers, 35, 275-286.

Huijding, J., de Jong, P. J. (2005). A Pictorial Version of the Extrinsic Affective Simon Task: Sensitivity to Generally Affective and Phobia-Relevant Stimuli in High and Low Spider Fearful Individuals. Experimental Psychology, 52, 289-295.

Ellwart, T., Becker, E. S., Rinck M. (2005). Activation and measurement of threat associations in fear of spiders: an application of the Extrinsic Affective Simon Task. Journal of Behavior Therapy and Experimental Psychiatry, 36, 281-299.

Schmulke, S. C & Egloff, B. (2006). Assessing Anxiety with Extrinsic Simon Tasks, Experimental Psychology, 53, 149-160.

De Jong, P. J., Wiers, R. W., van de Braak, M. Huijding, J. (2007). Using the Extrinsic Affective Simon Test as a measure of implicit attitudes towards alcohol: Relationship with drinking behavior and alcohol problems, 32, 881-887.

Voss, A & Klauer, K. C. (2007). Cognitive Processes in the Extrinsic Affective Simon Task: A Task-Set Switching Account of EAST Effects. Experimental Psychology, 54, 71-82.

Vancleef, L. M. G., Peters, M. L., Gilissen, S. M. P., De Jong, P. J. (2007). Understanding the Role of Injury/Illness Sensitivity and Anxiety Sensitivity in (Automatic) Pain Processing: An Examination Using the Extrinsic Affective Simon Task. The Journal of Pain, 8, 563-572.

Stahl, C. & Unkelbach, C. (2009). Assessing Automatic Activation of Valence: A Multinomial Model of EAST Performance . Experimental Psychology, 54, 99-112.


Jan De Houwer. Ghent University.

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