Research Item Library

Validated scales, reusable question modules, and cognitive tasks purpose-built for smartphone-based ESM and EMA research.

Validated Scales & Surveys

28 validated psychological scales covering 6 research domains — ready to embed as EMA items.

WellbeingDepressionAnxietySleepSocialPhysical Health
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Question Modules

16 reusable blocks — demographics, momentary context, attention checks and sleep diaries, worded to official standards.

DemographicsEMA / ContextBackground & HistoryStudy MethodsData QualityDevice & Technology
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Cognitive Tasks

30 smartphone-optimised cognitive tasks across 8 ability domains — try them interactively in the browser.

Attention & Processing SpeedWorking MemoryExecutive FunctionEpisodic & Verbal MemoryLanguageReasoning
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