Longitudinal studies of changes in intelligence over the life span paint a more accurate
picture of reality than do cross-sectional studies because
a. longitudinal studies require more time to conduct and therefore, researchers can make a
more careful analysis of the important variables that influence development.
b. cross-sectional studies do not take into consideration cohort effects, such as the fact that
older people have had different educational and cultural experiences than younger people
have had.
c. cross-sectional studies tend to be conducted with biased samples.
d. in cross-sectional studies, older people can be intimidated by the presence of younger
people.
e. participants tend to be more accurate when they know they will be re-tested, thereby
increasing reliability.
b. cross-sectional studies do not take into consideration cohort effects, such as the
fact that older people have had different educational and cultural experiences than younger
people have had.
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Indicate whether this statement is true or false.
Kareem, a new father, has decided to stay at home and care for his child while his wife works. According to the text, which of the following may have promoted this choice?
a) Kareem's wife believes her husband is not suited for caregiving. b) Kareem's wife earns much more money at her job. c) Kareem has sons. d) Kareem loved his job.