25 JUNE FS Q.4
- Option : B
- Explanation : A case study is an intensive research into a
unit/entity, which is aimed to generalize over
several other.
A cohort study samples a cohort or a group of people who share a defining characteristic or a common event in a selected period, such as birth or graduation) performing a cross- section at time intervals.
A panel study collects repeated measures of the same unit of analysis at specified intervals over a long period, often many years.
A blind study is done without the awareness of the subjects to the treatment they are receiving in order that the results are not affected by a placebo effect (the power of suggestion).
