Breast-fed infants tend to score higher than bottle-fed infants on measures of cognitive functioning. What is likely the reason?
Breast milk contains nutrients that promote early brain development.
They actually do not; this is an artifact of research.
Mothers play with their infants during breast feeding.
Mothers who breast feed are considerably more intelligent than those who do not breast feed.
Breast milk contains nutrients that promote early brain development.
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Which of the following kinds of studies can truly demonstrate that specific traits are indeed inherited?
a. family studies b. twin studies c. adoption studies d. none of the above
MST has been found to reduce long-term rates of criminal behavior for periods as long as ___ years
a. 2 b. 3 c. 4 d. 5
If a researcher told subjects that her study was about visual perception rather than what it is really on, conformity, she would be utilizing:
a. debriefing b. no risk c. an informed consent d. deception
The median is the preferred measure of central tendency when
a. the scale of measurement is nominal. b. the scale of measurement is ordinal. c. the scale of measurement is ratio. d. the distribution is symmetrical and the scale of measurement is interval or ratio.