Question 1
________ measure units from a sample of the population of interest at only one point in time.
◦ Longitudinal studies
◦ Cross-sectional studies
◦ Directional studies
◦ Discontinuous studies
Question 2
________ offers a way to gain background information for a problem, to define terms, to clarify problems and hypotheses, and to establish research priorities.
◦ Descriptive research
◦ Prescriptive research
◦ Exploratory research
◦ Causal research