This FAQ will help you to resolve common problems users experience with The Internet Psychology Lab.
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IPL cannot guarantee performance on UNIX and Mac.
Most experiments on IPL are Java-based. If you are having a problem with an experiment listed below, check here for a solution.
Currently, all reaction time experiments on IPL use the IPL PLUG-IN. If you have downloaded and installed the IPL PLUG-IN and are having problems with an experiment listed below, check here for solutions.