EXW 344 Module 1 Review Exam Questions and Answers 100% Solved

EXW 344 Module 1 Review Exam

Questions and Answers 100% Solved


Which of the following describes prevalence?



a. The number of new cases within a certain time period



b. The number of deaths or remissions of disease within a certain time

period



c. The number of person-vears within a given observation period



d. The number of cases within the population at given point in time or time

window - ✔✔c

In a retrospective cohort study, the exposure and outcomes have already

happened.



True


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, False - ✔✔True

An exposure is also known as the explanatorv variables or independent

variables. An example would be exercise.



True

False - ✔✔True

A retrospective case-control study requires researchers to find people with

the outcome or disease and people without the outcome and to

retrospectively ask those people about or somehow examine their past

exposure to the independent variable, for instance exercise.



True or false - ✔✔True

Cohort studies have a higher potential for reverse causality influencing the

outcomes than case-control or cross-sectional study designs. - ✔✔False



Cohort studies have less potential for reverse causality because the long

follow up time all deaths in the first 10 ears can be discounted

Incidence refers to the number of new cases within a given time period. -

✔✔True


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