T.O.V.A. (Test of Variables of Attention) - HTML/JS Version

This is an HTML/JavaScript implementation of the T.O.V.A. test that precisely replicates the functionality and scientific validity of the original Inquisit version.

Features

• ✅ Exact Replication of Original Test: Rebuilt based on the official Inquisit script
• ✅ Fullscreen Mode: Automatic fullscreen display during testing
• ✅ High Precision Timing: Low-latency response measurement using performance.now()
• ✅ Spacebar Control: Dual control with spacebar and GUI buttons
• ✅ Data Export: Automatic generation of raw data and summary CSV files
• ✅ Scientific Statistics: All original test statistical indicators (d-prime, z-scores, etc.)

Test Structure

Test Phases

1. Practice Phase: 50 trials (1:1 target/non-target ratio) - ~3 minutes
2. Low Frequency Phase 1: 162 trials (36 targets, 126 non-targets) - ~5.5 minutes
3. Low Frequency Phase 2: 162 trials (36 targets, 126 non-targets) - ~5.5 minutes
4. High Frequency Phase 1: 162 trials (126 targets, 36 non-targets) - ~5.5 minutes
5. High Frequency Phase 2: 162 trials (126 targets, 36 non-targets) - ~5.5 minutes

Total Test Time: ~24 minutes

Stimulus Characteristics

• Target Stimulus: Small black square at the top of white background square
• Non-target Stimulus: Small black square at the bottom of white background square