One of the advantages of a structural equation analysis is that
a. only the relationships between nominal variables need to be tested.
b. relationships among latent variables can be studied.
c. there is a smaller chance of a placebo effect than in correlational studies.
d. p-values do not need to be set at .05.
b
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The fact that different brain areas control vision, hearing, touch, and so forth raises which theoretical question? a. How does the brain perceive a unified object?
b. How do we keep one sensation separate from another? c. Can we remember some sensations longer than others? d. Why do we need separate sensory systems?
Which alternative correctly matches a method of contraception with a specific example?
a) barrier methods; the pill b) hormonal methods; the IUD c) surgical methods; tubal ligation d) intrauterine methods; diaphragm
Identifying the genes for schizophrenia is challenging because ______.
A. researchers are not consistent in whether they include spectrum disorders in their diagnosis B. schizophrenia does not seem to involve multiple genes C. the genes involved in schizophrenia each contribute a large effect D. there is little evidence that schizophrenia has a genetic cause
Where do 10 of every 11 new HIV infections occur?
A. North America B. Asia C. Africa D. Europe