This is a modified/interactive version of one of the neuro-behavioral tests that the climbers will be taking en route to the summit to measure their mental abilities. To find out about this and other ...
Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a device. Personalised advertising and content, advertising and content ...
(via SciShow Psych) The task sounds like it should be pretty easy, but the Stroop task is a fantastic, and very well studied, example of how your brain’s automatic processing can trip you up!