A woman has been a participant in an ongoing study of intelligence for the past twenty years. Every few years, a researcher tests her intelligence and asks her questions about her achievements
The woman is involved in a study that is using a ________ research design.
a. cross-sectional
b. chronological
c. lifespan
d. longitudinal
Answer: d. longitudinal
Psychology
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With regard to threats to internal validity, which of the following is not related to your methods?
A) replication with extension B) reactive arrangements C) interaction of selection and treatment D) multiple-treatment interference E) interaction of testing and treatment
Psychology
What has been a problem with Caplan's categories of primary, secondary and tertiary prevention?
a. tertiary prevention overlaps with clinical treatment b. primary prevention overlaps with clinical treatment c. secondary prevention involves all persons in a setting d. all of the above
Psychology