Aldington, S., Harwood, M., Cox, B., Weatherall, M., Beckert, L., Hansell, A., . . . Beasley, R. (2008, February). CANNABIS USE AND RISK OF LUNG CANCER: A CASE-CONTROL STUDY. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2516340/
4. The article is testing one hypothesis/research question.
5. “To determine the risk of lung cancer associated with cannabis smoking.”
6. One of the variables that is tested in the hypothesis is the amount of cannabis consumption, the frequency of use and for how long. Another possible variation is whether or not the participant mixes tobacco with the cannabis.
7. The participants of this study varied in age group. They ranged from college students to middle age (55).
8. No, I do not believe that the article used random assignment. I say this because they tested two participant groups, participants that were 55 and under that had lung cancer and the other were frequent cannabis users. They did a specific screening of lung cancer participants because they did not want them “if they had lung metastasis from a distant primary other than lung, or a histological diagnosis of carcinoid or melanoma” as well as other factors. However, in regards to the non-lung cancerous participants they did a random electoral