Table 1.
Description of the Individual Visual Reinforcers by Theme Category
| Category | Theme of Reinforcer Set | Media Type | Number of Images |
|---|---|---|---|
| Activities | Cleaning | Video | 21 |
| Cooking | Video | 21 | |
| Shopping | Video | 21 | |
| Sports | Photo | 32 | |
| Animals | African safari animals | Photo | 33 |
| Big cats (e.g., lions, tigers, cougars) | Photo | 33 | |
| Birds | Photo Video |
32 21 |
|
| Birds of prey | Photo | 40 | |
| Bugs | Photo | 34 | |
| Butterflies and moths | Photo | 40 | |
| Cats (domestic) | Video | 21 | |
| Dinosaurs | Photo | 32 | |
| Dogs | Video | 21 | |
| Farm animals | Photo | 32 | |
| Forest animals | Photo | 32 | |
| Frogs and toads | Photo | 32 | |
| Reptiles | Photo | 35 | |
| Sea creatures (e.g., fish, whales, dolphins, turtles) | Photo | 31 | |
| Snakes | Photo | 32 | |
| Zoo animals | Photo | 32 | |
| People | Babies | Photo | 37 |
| Faces | Photo | 40 | |
| Science and Letters | Alphabet (i.e., street topography) | Photo | 26 |
| Space | Photo Video |
32 21 |
|
| Waterfalls | Video | 21 | |
| Weather | Video | 21 | |
| Sensory | Bubbles | Video | 21 |
| Clocks, timers, and counters | Video | 21 | |
| Fans and windmills spinning | Video | 21 | |
| Items moving or spinning (abstract) | Video | 21 | |
| People in motion | Video | 21 | |
| Rainbows and other colorful images | Photo | 32 | |
| Reflections | Video | 21 | |
| Rides at amusement parks | Video | 21 | |
| Water spinning (e.g., toilets, drains) | Video | 14 | |
| Transportation and Equipment | Airplanes | Photo | 31 |
| Boats | Photo | 31 | |
| Emergency vehicles | Photo | 32 | |
| Farm equipment | Photo | 26 | |
| General transportation vehicles | Video | 21 | |
| Race cars | Photo | 32 | |
| Semi-trucks and heavy construction equipment | Photo | 32 | |
| Trains | Photo | 31 |