A student who says, "I study about two hours a night, which is probably about the same as most college students," may be demonstrating the

In operant conditioning, the manner in which the first reinforced response is made can

a. be prompted verbally. b. happen by chance. c. be done while receiving physical guidance. d. all of these

Many medical advances during the 19th century were prompted by the biomedical model that

A) ?emphasized emotional more than physical factors in disease. B) ?took the place of the Cartesian model for health and disease. C) ?led to a search for microscopic organisms that cause disease. D) ?promoted a holistic perspective regarding health and disease.