Researchers using the twin study method take advantage of which naturally occurring phenomenon?
A. Monozygotic twins have identical genes.
B. Dizygotic twins have similar genes.
C. Monozygotic twins are often treated alike by parents.
D. Dizygotic twins are more alike genetically than typical siblings.
A
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__________ is/are formed immediately after the union of sperm and ovum in the fallopian tube.
A. Twins B. The embryo C. Synapses D. The zygote
A therapist instructs a parent to prompt a child to make a fist whenever the child starts to suck his thumb, and to praise the child for doing so. In which habit reversal component are significant others involved?
a. motivational strategies b. awareness training c. competing response training d. social support
John is a professional speechwriter but struggles with simple algebra problems. John's different abilities BEST illustrate the view of mental ability developed by:
A) Thurstone. B) Spearman. C) Terman. D) Stern.
Hart and Risley did a longitudinal study of the influence of the home verbal environment on children from different socioeconomic backgrounds. They found that _______
a. children whose parents talked to them a lot later scored lower on IQ tests b. children whose parents talked to them a lot later scored higher on IQ tests c. the amount of parental talk was unrelated to later IQ scores d. the influence of parental language depended on parental income.