Dr. Brimfield believes that humans learn best when they are given the opportunity to act on their environments and make associations between their behavior and the resulting consequences. Dr. Brimfield believes in A. operant conditioning. B. modeling C. observational learning. D. classical conditioning.

The answer is A. operant conditioning.

Explanation:

This type of conditioning occurs through negative or positive outcomes, which determines people's behaviour. It is also called instrumental conditioning.

The basis for this theory was explained by B. F. Skinner, who believed it was necessary to look only into the external factors that affect people's interactions. Since then, it has influenced the development of behaviourist theories, as well as the foundation for classical conditioning.