1.82.In psychopathology research,groups of schizophrenic patients are sometimes compared to groups of "patient controls." In such research,patient controls are used to
A)determine whether certain factors are specific to schizophrenia or apply to other disorders.
B)identify the differences between people with schizophrenia and people without mental disorder.
C)control for differences between subjects in severity of illness.
D)control for subject and experimenter bias.
1.83.A component or trait that lies somewhere on the pathway between the genotype,which lays the foundation for the disorder,and full-blown symptoms of the disorder is known as
1.84.Researchers are focusing on the discovery of a specific measure,such as a biochemical assay or a psychological test,and they are interested in knowing whether it might be useful in identifying people who are predisposed to schizophrenia.These researchers are looking for what type of marker?
1.85.For a specific test to function as a vulnerability marker for schizophrenia,it is necessary that the proposed test
A)distinguishes between those who have schizophrenia and those who do not.
B)measures the level of dopamine and serotonin.
C)be designed to accommodate the communication difficulties typical of schizophrenia.
D)is used only with people who have no family history of schizophrenia.