Quiz
Epidemiology Week 7
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Perguntas do quiz (20)
1Which of the following is not a part of the internal validity checks researchers evaluate before declaring a true association?
- AConfounding
- BBias
- CStatistical significance
- DGeneralizability
2A researcher is beginning an experiment to study the association between depression and rejection from medical school. He begins with choosing his observational and experimental groups. The observational group comes from first year medical students at KCUMB. In the experimental (Rejection) group, he only includes students who attended either Harvard and National American University. What kind of bias is in this study by his poor planning alone?
- ASelection Bias
- BMeasurement Bias
- CGeneralizability Bias
- DInternal Validity
3For studies that measure the association between exposure and outcomes, non-differential misclassification has what effect on the risk ratio?
- ADecreases the RR
- BIncreases the RR
- CHas no effect on the RR, only the OR
- DBrings it closer to 1.0
4Differential misclassification bias can either inflate or attenuate the effect estimates of association in relation to 1.0
- AVerdadeiro
- BFalso
5Which of the following is not part of the observer-related measurement biases?
- AInterviewer (Proficiency) bias
- BDiagnosis/Surveillance (Expectation bias)
- CContamination bias
6Which term describes a psychological phenomenon in which participants in behavioral studies change their behavior or performance in response to being observed?
- AHawthorne Observation
- BHawthorne Effect
- CBig Brother Observation
- DPerceived Observation Effect
7[blank_start]Cause[blank_end] is a precursor event, condition or characteristic required for the occurrence of the disease or outcome
- ACause
- BExposure
- CIndex Event
8Which of the following types of associations can potentially arise from confounding?
- AArtifactual Associations
- BNon-Causal Associations
- CCausal Associations
9A man tests positive for HIV. He put himself at risk by not using protected sex, continuous exposure to a person with HIV, and not using antiretroviral drugs after the exposures of HIV. These three conditions summed up to his positive result. Together, what can these three conditions be referred to as?
- ANecessary Cause
- BExposure Probability
- CSufficient Cause
- DAdequate Risk
10Which of the. following are part of Hill's Criteria (Guidelines)
- AStrength
- BValidity
- CPlausibility
- DBiologic Gradient
- ECorrelation
- FInterpretation
- GTemporality
- HConsistency
11Drinking 8 oz of wine each night has been linked to a decrease in heart issues, stress, and a marked increase in overall happiness. Scientists first found the relationship to these benefits with 1 oz. Then, the results were proven with 2 oz. Then, 4 oz, and finally 8 oz. Assuming this is all true and it is not possible to poison oneself with alcohol, what is this situation an example of?
- AReproducibility
- BExponentialism
- CMarked Increase
- DBiologic gradient
12This picture is an example of what?
- ACritical Criteria Pyramid
- BResearch Evidence Pyramid
- CHierarchal Evidence Pyramid
- DAssociated Epidemiology Pyramid
13Students at KCUMB conduct a small experiment to determine the association between the variety of meals the residents of CT cook and the size of the kitchen appliances. They find that there is no association, so they fail to reject the null hypothesis (H0). In reality, though, students here are extremely limited to what they can cook because of the small size of the ovens in the rental units. What kind of error is this?
- AType II Error (beta)
- BType 1 Error (alpha)
14The interventional study design in phase [blank_start]4[blank_end] has the highest level of evidence compared to the other phases.
- A4
- B3
- C2
- D1
- E0
15A sample is a representation of the complete population.
- AVerdadeiro
- BFalso
16What is the major difference between consent and assent?
- ASubject agrees to participate
- BSubject is fully and completely informed
- CSubject is mentally capable
- DSubject is underage
17The Ethics Committee, regulated by federal statues developed by the department of health and human services, is better known as?
- AInternational Review Board
- BInstitutional Review Board
- CInstitutional Record Board
- DInstitutional Review Bracket
18If the IRB had been around during the time of the "Tuskegee Study of Untreated Syphilis in the Negro Male" and the researchers for this study required IRB approval, what level of IRB review would they have had to go through? (Considering the risk of the participants was very large--syphillis was intentionally untreated in some members of the study, unbeknownst to the participants).
- AStudy would be exempt from review
- BExpedited
- CFull board
- DEntire board
19Multiple component causes working in concert to collectively become sufficient causes is [blank_start]multiple causation[blank_end].
- Amultiple causation
20A specific cancer can ONLY be caused if the patient was exposed to a certain chemical OR had the specific gene. This is an example of
- Asynergism
- Bparallelism
Informações
- Descrição
- Epidemiology Quiz sobre Epidemiology Week 7, criado por Jacqueline Weber em 25-09-2017.
- Autor
- Jacqueline Weber
- Idioma
- English
- Visualizações
- 5
- Etiquetas
- Avaliação
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