Question

11. A published study follows a large group of HIV negative women classified as HPV positive or HPV negative, documenting the number who become HIV positive.
    1. Qualitative study
    2. Case-control study
    3. Cohort study
    4. Ecological study

Answer 1

b.CASE CONTROL STUDY

The case control is a type of epidemiological observational study.An observational study is a study in which subjects are not randomized to the exposed or unexposed groups,rather the subjects are observed in order to determine both their exposure and their outcome status and the exposure status is thus not determined by the researcher.In which two existing groups didderng in outcome are identified and compared on the basis of some supposed casual attribute.Case control studies are often used to identify factors that may contribute to a medical condition by comparing subjects who do not have the condition/disease but are otherwise similar.