EPID 301 Final: EPID 301 EXAM NOTES

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Week 7: chapters 9 (page 248-266) & 10 (page 269-286: reading & writing epidemiology, association & causation. Chapters 9 (page 248-266); reading between the lines: reading and writing epidemiological papers. Reading an epidemiological study: identify the research question, what strategy they used to attempt to answer this question, was the study design appropriate, assess the practical uses for the results of the study. Answer these questions under the ideal type of study. Ideal studies have elements of the following: randomized trial, ensures group exchangeability and decreases bias, be a cohort study, measures exposure prior to development of disease. Internal validity: extend of results of the study reflects the true situation in the study sample, reflects the quality of the study (how well it was constructed, study has less effects from cbc. Identify the type of participants involved in study. Two definitions for cause : rothman (1986 p. 11) definition.