Carter is training rats to run through a maze to get food. He then removes part of the rat's brain and runs them through the maze again to see if they can still reach the food. What procedure did Carter use on the rats?

What is the american psychological association’s ethical principle of psychologists and code of conduct based upon? a. the work of a dozen world-renowned philosophers and ethical savants. b. the feedback of thousands of psychologists and their ethical struggles. c. the regulatory power and authority of the united states constitution. d. the hippocratic rules and guidelines of medical practitioners and surgeons. select the best answer from the choices provided a b c