A recent study examined the association between marijuana use and depressive symptoms among 622 African American Youth (Repetto et al., 2008). Participants were interviewed six times from high school into emerging adulthood
Marijuana use was measured by asking how many times they had used marijuana in the past 30 days and depression was measured based on their score on a six-item inventory. What type of research design was used and what are the independent and dependent variables?
What will be an ideal response?
This was a longitudinal study. The independent variable was level of marijuana use; the dependent variable whether they were depressed.
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An albino individual lacks the ability to produce which protein
What will be an ideal response?