Stimuli used for treatment.
| Typical | Intermediate | Atypical |
|---|---|---|
| Birds | ||
| Bluebird | Eagle | Pheasant |
| Bluejay | Seagull | Peacock |
| Cardinal | Pigeon | Pelican |
| Robin | Owl | Chicken |
| Crow | Cockatoo | Ostrich |
| Woodpecker | Falcon | Turkey |
| Hummingbird | Swan | Penguin |
| Parrot | Vulture | Flamingo |
| Avg. frequency = 1.2 | Avg. frequency = 4.2 | Avg. frequency = 8.5 |
| Vegetables | ||
| Carrot | Green beans | Scallions |
| Broccoli | Onion | Parsley |
| Cauliflower | Gourd | Artichoke |
| Celery | Mushroom | Kidney beans |
| Cucumber | Eggplant | Pumpkin |
| Lettuce | Lima beans | Rhubarb |
| Radish | Yam | Olive |
| Spinach | Tomato | Garlic |
| Avg. frequency = 2.6 | Avg. frequency = 5.7 | Avg. frequency = 1.5 |