Cognitive Tasks
2 posts tagged with “Cognitive Tasks”
Reaction TimeMethodology
RT precision in the browser: what online studies can (and can't) measure
Browser-based experiments add tens of milliseconds of lag to every response, but lag and noise are separate problems and only one of them usually affects your result. What external timing measurements actually show, which paradigms are genuinely constrained online, and the design choices that reduce the cost.
27 July 2026
AI ScreeningData Quality
Screening out AI participants: adding AI-agent detection tasks to your online study
A new set of short visual tasks in the paradigm library is built to catch a problem that ordinary attention checks miss — online participants that are actually autonomous AI agents. Here is what the tasks are, why they work, and how to add them to a study as a battery.
14 July 2026