I build full-stack applications with a focus on reliability, clean interfaces, analytics, and production deployment. This page now follows the simpler black-and-white visual language used across Online Psychology Studies.
A small set of live products and platforms.
Research tooling for behavioural tasks, measures, participant flows, and data collection.
Fast-paced online maths play with performance tracking and hosted infrastructure.
Interactive card gameplay with custom backend logic and production deployment.
Commercial photography site with SEO, gallery presentation, and contact workflows.
Event platform with payments, ticketing, and hosted media delivery.
The broader Online Psychology Studies app library for inventories and structured tools.
The newer study apps now linked directly from this landing page.
Context interpretation task.
Open appAuditory working-memory study.
Open appTarget detection and response task.
Open appInstruction-following response task.
Open appPicture-based naming task.
Open appVisual pattern recall task.
Open appShort narrative recall study.
Open appVisual comparison task.
Open appConstructive visuospatial task.
Open appNavigation and planning task.
Open appLanguage production task.
Open appChange-detection study.
Open appSemantic list-learning task.
Open appMap orientation and direction task.
Open appTask-switching and control study.
Open appHearing sensitivity task.
Open appSound-based reaction-time task.
Open appFor builds, research software, infrastructure work, or collaborations.
yolongcakani@gmail.com
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