Prenatal gene therapy refers to the future possibility of using genetic techniques to
A. detect mental retardation before birth
B. intervene in brain development prior to birth
C. counsel parents about their risks of having a child with mental retardation
D. avoid misdiagnosing mental retardation
B. intervene in brain development prior to birth
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Which of these is true about nonromantic hugs? a. They increase estrogen release in both men and women
b. They increase testosterone release in both men and women. c. They last more than ten times as long in some cultures than in others. d. Their mean duration is three seconds throughout the world.
What is the most common form of dissociative amnesia?
a. selective b. regressive c. continuous d. generalized
Good nutrition is as important to fetuses as it is to children and adults
a. True b. False
A researcher interested in establishing that there is a causal relationship between variables is most interested in ________ validity.
A. artificial B. internal C. linear D. construct