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Balloon Analogue Risk Task (BART)

This is an example of a Balloon Analogue Risk Task (Lejuez et al., 2002), a computerized measure of risk taking behavior. More information is available on



A demonstration of an online version of the BART is available here: Additional examples are included in the download file at the end of the page.


I cannot offer any support for the implementation or adaption of the script.


The script requires the javascript libraries jQuery licensed under the MIT and GPL and jCanvas released under the MIT license.


  • Lejuez, C. W., Read, J. P., Kahler, C. W., Richards, J. B., Ramsey, S. E., Stuart, G. L., Strong, D. R., & Brown, R. A. (2002). Evaluation of a behavioral measure of risk taking: the Balloon Analogue Risk Task (BART). Journal of Experimental Psychology: Applied, 8, 75-84. doi:10.1037/1076-898X.8.2.75


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Timo Gnambs
Foto © LIfBi

Dr. Timo Gnambs

Leibniz Institute for Educational Trajectories
Wilhelmsplatz 3
96047 Bamberg
Germany / Europe

Email: timo@gn[REMOVE THIS PART]