Which is a common criticism of twin studies?
a. Twin studies are better suited to identify environmental influences than genetic influences.
b. Fraternal twins tend to be treated more similarly than identical twins.
c. Twin studies overestimate the role of prenatal experiences on development.
d. Similarity in environmental experiences, not genetic similarity, may be the more important contributor to the similarity seen in twins.
d
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Dr. Armad explains that his patient's anxiety is the result of hidden, or unconscious conflicts, thoughts, emotions and unfulfilled needs. Dr. Armad is using the __________ approach
a. psychoanalytic b. behavioral c. medical d. humanistic
Historical trends indicate that rates of human violence
A. have been stable for thousands of years. B. have increased dramatically in the last 100 years C. have decreased relative to ancient times D. remain very low in hunter-gatherer groups, but have increased dramatically in nation-states.
Experimental research is to correlational research as confounding variable is to
A. zero variable. B. third variable. C. correlational variable. D. dependent variable.
Hannah's BMI is in the 79th percentile, which is associated with being _____.
A. underweight B. normal weight C. overweight D. obese