O-ELIDDI Documentation¶

Open-source Electronic Timeline-based Interactive Daily Diary
A web-based research tool for collecting and visualizing daily activities

Quick Start¶

O-ELIDDI is a client-side web application designed for time-use research studies. It provides an interactive timeline interface where participants can log their daily activities across multiple dimensions (primary activities, location, social context, device usage, and enjoyment ratings).

Key Features¶

24-hour interactive timeline with drag-and-drop functionality
Multi-timeline support (primary/secondary activities, location, social context, etc.)
Hierarchical activity categories with color coding
Mobile-responsive design with touch support - view layouts
Data export to OSF via JSPsych DataPipe or local CSV download
Configurable activity sets and timeline parameters

Architecture Overview¶

The application is built with vanilla JavaScript (ES6+ modules) and designed for modern browsers. It uses:

Frontend: Pure client-side JavaScript, HTML5, CSS3
Data Storage: OSF via JSPsych DataPipe
Deployment: Static hosting (GitHub Pages, etc.)

Research Applications¶

O-ELIDDI is particularly suitable for:

Time-use studies and activity pattern research
Daily diary studies in psychology and sociology
Behavioral pattern analysis
Experience sampling method (ESM) studies
Cross-cultural time-use comparisons
Intervention studies measuring activity changes

Browser Requirements¶

Requires modern browser features:

ES2017+ JavaScript (async/await, modules)
Modern CSS (Flexbox gap, CSS Grid, clamp())
Web APIs (IntersectionObserver)
No Internet Explorer support

O-ELIDDI is open-source software designed for research purposes. See individual documentation pages for detailed setup instructions.