Research and clinical resources
The PTT-20 Materials: A 20-item past tense task
The materials for this test are free and downloadable.
For a paper presentation of stimuli please download the following:
- PTT-20 Essential Information (PDF, 90KB)
- PTT-20 Response Sheet (PDF, 4KB)
- PTT-20 Line Drawing Stimuli (PDF, 1.88 MB)
For the same materials on e-prime (computer-based presentation) please download the following:
- How to set up the PTT-20 on your computer: Marchman Past Tense Task (PDF, 192KB)
- The Stimuli on e-prime (ZIP, 12.4MB)
Thank you for your interest in the PTT-20.