A veterinary class with an instructor and seven observers carrying out a procedure on the nose of a recumbent horse. The activity is in a large indoor space.
A large veterinary class with two horses. The class is divided into two unequal groups, each of which is focused on one of the horses. The activity is in a large well lighted space with high ceiling.
Four male students in a clinical sciences class palpating a cow, ""demonstrating relative positions of organs in thorasic and abdominal cavities on a cow.""