When two ova are fertilized, they develop into
a. dizygotic twins. c. identical twins.
b. monozygotic twins. d. zygotic twins.
A
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The research on how mothers and fathers share childcare shows that
a. mothers spend about twice as much time as men in taking care of children. b. US and Canadian fathers have not really increased their child-care responsibilities in recent years, despite what you hear in the popular press. c. mothers may do more of the housework than fathers do, but fathers and mothers devote equal time to child care. d. the individual differences in sharing child-care responsibilities are so great that we cannot draw any clear-cut conclusions.
Three fourths of all scores in a distribution fall
a. below Q2. b. above Q2. c. below Q3. d. above Q3.
Alcohol decreases anxiety by ____.
A. promoting chloride flow at the GABA-A receptor complex B. inhibiting chloride flow at the GABA-A receptor complex C. promoting sodium flow at serotonin synapses D. inhibiting sodium flow at serotonin synapses
Lowenstein & Issacharoff (1994) gave subjects mugs and found that
a. those that thought they earned the mug placed a higher selling price on it. b. those that thought they earned the mug refused to sell it. c. those that were told they were random recipients of the mug placed a higher selling price on it. d. those that were told they were random recipients of the mug refused it.