i need all the questions i posted answered. its a behavioral Epi assignment. Beh
ID: 124236 • Letter: I
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i need all the questions i posted answered. its a behavioral Epi assignment.
Behavioral Epi Assignment 2-Word REFERENCES MAILINGS REVIEW VIEW Paragraph Styles Name: Assignment #2 TrueFalse(20 points) 1) An association not explained by bias, chance, confounding means an association is causal. 2) The connection among intention, decision, behavior, and outcome is not always clear. 3) Positive predictive value is more influenced by the sensitivity than the specificity of the screening test. 4) Specificity answers the question: "Of all individuals that were free of disease A, what tested negative?" 5) Successful treatment programs that shorten the duration of a disease primarily affect the prevalence of the disease rather than the incidence rate. The preclinical phase of disease lasts from the biological onset to the development of time A clinical trial entails comparing a group of patients treated with a test treatment to a 6) 7) Incidence rate is a true rate because the denominator is defined in terms of person whereas cumulative incidence is a proportion comparable group of patients receiting a control treatment 9)--Experimental study designs have lower validity than cohort studies 10)A "gold standard is used to determine whether a screening test is effective Short Answer (30 potnt) Consider a class with 200 enrolled studenta. None of the students were ill at the beginning of the school year, On September 30, 10 stadents reported having gastroenteritis. All continued to be ill on October 1, but all 10 recorered within 3 days. On October 14, 6 more students developed gastroenteritis. All of these students contiaued to be ill on October 15, but all 6 recovered 5 days later Assume that a perace cannot get gastroenteritis more than once)Explanation / Answer
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