Analytics: Study Session Timeline Visualization #7
Description
Objective
Create an interactive timeline visualization showing study sessions, progress milestones, and learning journey over time.
Description
Develop a chronological view that displays the user's study progress as an interactive timeline, helping them visualize their learning journey and identify productive study patterns.
Expected Features
Timeline Visualization
- Interactive Timeline: Horizontal timeline with study sessions as data points
- Session Details: Hover/click to show session metrics (questions answered, accuracy, duration)
- Progress Milestones: Highlight significant achievements and breakthroughs
- Activity Density: Visual representation of study intensity over time periods
Data Points
- Study Sessions: Individual practice sessions with key metrics
- Milestone Markers: First correct answer in domain, accuracy thresholds reached
- Streak Indicators: Consecutive days of study activity
- Performance Peaks: Highest scoring sessions highlighted
Time Periods
- Flexible Zoom: Daily, weekly, monthly, and all-time views
- Date Range Selection: Custom time period selection
- Comparative Analysis: Side-by-side comparison of different time periods
- Trend Lines: Overlay accuracy and volume trends
Interactive Features
- Session Replay: Click to review specific session details
- Pattern Identification: Highlight patterns like weekend study habits
- Export Timeline: Save timeline as image or PDF
- Annotations: Add personal notes to specific dates/sessions
Acceptance Criteria
- Timeline displays all study sessions chronologically
- Interactive elements (hover, click, zoom) work smoothly
- Performance data is accurate and up-to-date
- Different time views (daily/weekly/monthly) function correctly
- Visual design is consistent with application theme
- Works responsively on mobile devices
- Loading performance is optimal with large datasets
- Integration with existing session data is seamless
Data Sources
Session Information:
- Use existing statistics store session data
- Extract timestamp, duration, questions answered, accuracy
- Calculate milestone achievements and streaks
- Integrate with questionStates for detailed performance data
Visual Elements:
- Color coding for session quality (red/yellow/green based on performance)
- Size variation based on session duration or question count
- Icon variations for different types of activities (study, review, exam simulation)
User Interface
Main Timeline:
- Horizontal scrollable timeline with zoom controls
- Legend explaining colors, sizes, and icons
- Quick navigation to recent sessions or milestones
- Filtering options (exam type, performance level, session type)
Session Detail Panel:
- Expandable panel showing detailed session information
- Links to review specific questions from that session
- Performance comparison with previous sessions
- Notes and tags for that session
Technical Requirements
- Efficient rendering for large numbers of sessions
- Smooth animations and transitions
- Touch-friendly controls for mobile
- Export functionality for sharing progress
Estimation
Complexity: Medium (M)
Estimated Time: 2-3 days