Which of the following statements is TRUE?
a. DZ twins are no more genetically alike than any pair of siblings.
b. MZ twins develop from the separate fertilization of two ova.
c. DZ twins develop from a single fertilized ovum that divides into two identical cells.
d. Members of any set of DZ twins are more similar to each other in terms of their
psychological traits than are MZ twins.
e. MZ twins generally are more available for research than DZ twins.
Ans: a. DZ twins are no more genetically alike than any pair of siblings.
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Susan has a problem making and carrying out plans. Her doctor has diagnosed her as having a brain tumor. Most likely, Susan's tumor is in her:
A. frontal lobe B. pons C. reticular formation D. parietal lobe
Twin studies on sexual orientation show that
a. genes are much more influential than environmental factors in determining sexual orientation. b. sexual orientation is determined almost completely by environmental factors. c. a genetic link cannot be established because not enough twins will participate in this kind of research. d. genetic and environmental influences appear about equally responsible for sexual orientation.
Which of the three metatheories describes human beings as machine-like in that they are comprised of many interacting parts?
a) Mechanistic Metatheory b) Organismic Metatheory c) Contextual Metatheory d) None of the above
G. Stanley Hall regarded development as a __________ process
A) maturational B) nonnormative C) psychosocial D) social learning