Psychological Refractory Period (PRP)
Two stimuli at varying SOAs each require a response. RT2 increases at short SOAs, revealing a central processing bottleneck.
- Attention
Indexed implementations 3
Metadata only — each row links to the authors' own page. A date in the last column is the last time an automated check confirmed the link loads; it is not a review of the task.
| Implementation | Source | Languages | Link checked |
|---|---|---|---|
| Psychological Refractory Period Gonogo Choice · Experiment Factory | Experiment Factory | English | 2026-05-28 |
| Psychological Refractory Period Two Choices · Experiment Factory | Experiment Factory | English | 2026-05-28 |
| Psychological Refractory Period Paradigm (PRP) · PsyToolkit | PsyToolkit | English | 2026-05-07 |
Key references
- Pashler, H. (1994). Dual-task interference in simple tasks: Data and theory. Psychological Bulletin, 116(2), 220-244. doi:10.1037/0033-2909.116.2.220