Many researchers believe that schizophrenia is related to the overactivity of the neurotransmitters of glutamate and __________

Because psychology involves trying to understand complex and abstract concepts, researchers need to develop ________ in order to make useful measurements of those concepts

a. operational definitions b. hypothetical constructs c. literature searches d. independent variables

Suppose that you know a woman who has a problem called panic disorder. She is most likely to

a. eat a huge amount of food, then panic about her problem, and finally try to induce vomiting. b. panic whenever she sees something related to her specific phobia, such as an insect or a bird. c. respond to a panic-related situation in a way that violates the rights of other people. d. frequently experience panic attacks, which are episodes of dread that occur without any warning.