Test 1:
- empty containers on the wheel
- all containers handled on wheel by Trainer
- dog given search cue by owner
Test 2:
- one shaker contains odor; other containers empty
- all equipment handled by Trainer
- dog given search cue by owner
Test 3:
- all shakers contain neutral dental cotton
- all equipment handled by Trainer
- dog given search cue by owner
Test 4: