Deary-Liewald Task – Cognitive Reaction Time Measurement Kit
Zefwih
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Validated Deary-Liewald reaction time task & measurement – 5 ready-to-use modes, auto stats & CSV logging.A ready-to-run implementation of the validated Deary-Liewald reaction time paradigm (Deary, Liewald & Nissan, 2011) - the standard psychometric task for measuring psychomotor and choice reaction speed, used in cohort studies such as the Lothian Birth Cohorts.Everything is driven by a single, thoroughly configurable script and a mode-aware custom Inspector - no coding required to use, customize, or extend any of the included variants.Fully customizable, out of the box:Response keys, box appearance, colors, fonts and all instruction textsNumber of practice/test trials and blocks per phaseTiming (pre-stimulus interval, response window, pauses)Feedback behaviour (immediate / end-of-block / none)Auto-generated boxes or your own hand-built UI - just assign the referencesSuitable for:Academic research and student projects (psychology, cognitive science, neuroscience)Cognitive training / brain-training style applicationsAny project needing a validated, science-grounded reaction-time benchmark5 ready-to-use modes, each with its own prefab and example scene:Simple Reaction TimeFour-Choice Reaction TimeDeary-Liewald (Simple + Four Choice) - the original, validated protocol (default)N-Choice Reaction Time (2–9 boxes)Audio Simple Reaction Time (Showcase)Drop a prefab into your scene, press Play, and you have a fully working, data-logging reaction-time task in minutes.Supported VR Device Types via SteamVR* Vive* OculusFor further reading, see:Deary, Liewald & Nissan (2011). Behaviour Research Methods, 43, 258-268.Jensen, A. R. (2006). Clocking the mind: mental chronometry and individual differences. Amsterdam, The Netherlands: ElsevierWe are always interested in scientific collaborations. Please reach out to contact@zefwih.comValidated paradigm: implements Deary, Liewald & Nissan (2011), Behavior Research Methods - the standard Simple + Four-Choice reaction time protocol5 task modes with dedicated prefabs & example scenes: Simple RT, Four-Choice RT, Both (original protocol), N-Choice RT (bonus, 2–9 boxes), Audio Simple RT (showcase)Automatic statistics: mean, SD, median, skewness, kurtosis, accuracy, and the choice-effect (mean CRT − mean SRT)Full data logging: per-trial CSV export plus a human-readable session summary, written automaticallyNo-code customization: mode-aware custom Inspector, auto-generated boxes or your own hand-built UIOne-click toggles: immediate feedback on/off, per-box key labels on/off, auto-generate vs. hand-built boxes4 UnityEvents (trial / block / phase / session complete) for integration without touching the scriptOptional VR support: per-box SteamVR controller input alongside the keyboardFramerate-independent timing via System.Diagnostics.StopwatchIncluded EditMode & PlayMode automated testsRequires: Unity 2021.3 LTS+, TextMeshPro, Active Input Handling = "Input Manager (Old)" or "Both"Original, non-copyrighted UI graphics (box + target sprite) includedRequirements:Unity 2021.3 LTS or newerTextMeshPro (TMP Essential Resources)Active Input Handling set to "Input Manager (Old)" or "Both"SteamVR Unity Plugin (optional, only needed for VR input)
