The concordance rate for homosexuality in male identical twins is about
(a) .01% (b) .1% (c) 1 - 5% (d) 50%
D
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What effect, if any, does emotional arousal have on memory storage? a. Emotional arousal almost always interferes with memory storage
b. Emotional arousal has no measurable effect on memory storage. c. Moderate emotion improves memory storage, but extreme levels interfere. d. Emotional arousal of any level improves memory storage.
Which of the following is an example of the primary prevention of a biological cause of intellectual disability?
a. vaccinations for rubella b. medical screening for PKU c. programs such as Sesame Street d. enrollment of toddlers in Head Start programs
When we are unable to recall something that was previously stored in long-term memory, this is most likely because ______.
a. we are unable to use the appropriate cue to retrieve it b. the information has been removed c. the capacity of long-term memory has been reached d. information in long-term memory has a limited duration
According to research on perception in infants, the first thing that infants should be able to do after birth is to
A. focus on the corner of a triangle. B. pay attention to a human face. C. perceive the pattern of an object. D. be able to perceive depth.