Yes but the things they mentioned would be bizarre to control for the other way. Would you expect the tests to be done, then again but with both rats hearing t

Yes but the things they mentioned would be bizarre to control for the other way. Would you expect the tests to be done, then again but with both rats hearing the person upstairs installing a new microscope, then with a regular fire alarm, etc? Describing the food given is quite a step away from describing how frequently the fire alarm goes off.