Question

which one of the following statements is most incorrect about the strengths of cohort studies

1. cohort studies measures the risk of developing a disease

2. cohort studies enable researchers to assess a range of diseases associated with the exposure being studied or investigated

3. in cohort studies, the exposure precedes the disease

4. cohort studies measures the incidence of a disease

5. in cohort studies, the exposure does not precede the disease and thus enables the researcher to ascertain the occurrence of the disease

Answer 1

The most correct answer is: Cohort studies measures the incidence of a disease.

Explanation:

Cohort consider:

Clearness of Temporal Sequence (Did the presentation go before the result?): Cohort contemplates all the more obviously show the worldly grouping amongst introduction and result, on the grounds that in a partner think about, subjects are known to be without ailment toward the start of the perception time frame when their introduction status is set up. On the off chance that control ponders, one starts with sick and non-unhealthy individuals and afterward acertains their earlier exposures. This is a sensible way to deal with building up past exposures, yet subjects may experience issues recollecting past exposures, and their memory might be one-sided by having the result (review predisposition).

Permit Calculation of Incidence: Cohort examines enable you to figure the frequency of sickness in introduction gatherings, so you can ascertain:

Supreme hazard (occurrence)

Relative hazard (chance proportion or rate proportion)

Hazard distinction

Inferable extent (inferable hazard %)

Encourage Study of Rare Exposures: While an accomplice configuration can be utilized to research normal exposures (e.g., hazard factors for cardiovascular infection and growth in the Nurses' Health Study), they are especially helpful for assessing the impacts of uncommon or strange exposures, on the grounds that the agents can make it a point to distinguish a satisfactory number of subjects who have an unordinary introduction, e.g.,

Presentation to poisonous chemicals (Agent Orange)

Unfavorable impacts of medications (e.g., thalidomide) or medicines (e.g., radiation medications for ankylosing spondylitis)

Strange word related exposures (e.g., asbestos, or solvents in tire fabricating, )