According to the APA Guideline for Animal Research, All Workers

According to the APA guideline for animal research, all workers involved in behavioral testing of animals

A) must weigh over 150 lbs.
B) must be trained in all phases care, maintenance, and handling of the species.
C) must be at least a graduate student under direct supervision of a trained Ph.D. or D.V.M.
D) have no responsibilities or training, but must report to a responsible investigator.