A common research design to study heritability in behavioral genetics is
A. gene expression study.
B. DNA testing.
C. twin study.
D. parent-child study.
Answer: C
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The use of test batteries was common by the time of the
a. Ling Dynasty. b. Han Dynasty. c. Tam Dynasty. d. Nam Dynasty.
The emotional symptoms of depression include ____
a. slowed speech and action b. thoughts of suicide c. an inability to sleep d. feelings of worthlessness
Normal age changes in the brain and occasional lapses in memory are ____
a. common in healthy adults b. uncommon in healthy adults c. warrant a minor neurocognitive disorder diagnosis d. insignificant changes
Because of the way the FDA reviews and approves OTC drugs,
A. each different brand is required to contain unique ingredients. B. various brands of a given type of remedy usually contain the same few active ingredients. C. each type of drug is limited to only a single active ingredient. D. it is impossible to tell from the label what each product's active ingredients really are.