Before making a diagnosis of bipolar disorder, a mental health professional needs to make sure that the symptoms are not the result of other causes such as

Ivan Pavlov is best known for his research in

a. operant conditioning. c. insight learning. b. classical conditioning. d. contingency theory.

Which reflex is demonstrated when an infant tries to clear her or his throat?

A. sucking reflex B. rooting reflex C. gag reflex D. startle reflex