Open IAT

This is a version of the Implicit Association Test made in PsychoPy that can run online or on a local PsychoPy installation.

It provides the classic black/white versus positive/negative version of the IAT but it's designed so that you can update to use your own stimuli as needed.

Credits

The IAT was originally developed by Greenwald et al (1998).

This PsychoPy version was originally developed by Robin Scaife on the Leverhulme Trust "Bias and Blame" project 2014. Additional coding by Tom Stafford with thanks to Lily Fitzgibbon for advice.

Updated by Jon Peirce to support online studies in 2019.

References

Greenwald, Anthony G.; McGhee, Debbie E.; Schwartz, Jordan L.K. (1998), "Measuring Individual Differences in Implicit Cognition: The Implicit Association Test", Journal of Personality and Social Psychology, 74 (6): 1464–1480, CiteSeerX 10.1.1.489.4611, doi:10.1037/0022-3514.74.6.1464, PMID 9654756

J. Peirce, J.R. Gray, S. Simpson, M. MacAskill, R. Höchenberger, H. Sogo, E. Kastman, J.K. Lindeløv. (2019), "PsychoPy2: Experiments in Behavior Made Easy", Behav Res Methods 51: 195. https://doi.org/10.3758/s13428-018-01193-y

Customizing the task for other versions

The implementation here uses a spreadsheet that defines the block order being used (you can see blocks_order1.xlsx and blocks_order2.xlsx) and these then call further conditions files (cong_train.xlsx, cong_test.xlsx etc.) on each block of trials to determine how the trials run within that block.

To change the stimuli for your own task you can simply change the lines in the conditions files