When looking for abnormalities in the brain as clues to the influences of schizophrenia in correlational research, it is important to keep certain questions in mind. For example, if a person with schizophrenia were found to have an excess of dopamine, a researcher would need to ask all of the following questions EXCEPT:
a. Does too much dopamine cause schizophrenia?
b. Does having schizophrenia cause an excess of dopamine?
c. Is there some factor that causes both schizophrenia and an excess of dopamine?
d. Why is the dopamine system active in the schizophrenic brain?
d
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In a one-way analysis of variance we deal with unequal sample sizes by
a. not allowing them. b. doing nothing different. c. averaging the means. d. multiplying each squared deviation by nj as we go along.
Evidence suggests that an adolescent's sexual orientation is linked to
A) genetic factors. B) prenatal hormones. C) childhood experiences. D) All of the above.
Infinite generativity refers to
A. the ability to produce an endless number of meaningful sentences. B. the ability to learn more than one language. C. the ability to make unlimited decisions. D. the ability to produce an unlimited number of rules.
Symptoms is directly related to their
a. affinity for the PCP binding site on the glutamate NMDA receptor. b. capacity to decrease mesolimbic dopamine neurotransmission. c. ability to increase GABA neurotransmission. d. ability to dislodge the magnesium block from within the glutamate NMDA receptor ion channel. e. affinity for the dopamine D1 receptor.