Answer:
Cohort study
Explanation:
Cohort study: The cohort study is defined as a longitudinal study that takes a sample of cohort that performs a cross-section at different intervals concerning time.
In this context, the cohort is known as a particular group of individuals who incorporates a defining character, usually those individuals who have accomplished a specific event in a particular period, like birth order.
Cohort study comes under the observational studies.
Example: In the question above the researcher wants to identify the impact of cholesterol on the development of heart disease.
Answer:
If we do a poor job at the sampling stage of the research process, the integrity of the ... the directors of these programs returned the completed questionnaire. ... researchers were not asking whether a sample represented the population; they ... Before a sample can be chosen randomly, it is necessary to have a complete list Explanation:
i think its b 2 but im not sure
The difference between a Republic and a Democracy is that the former is a representative form of government that is ruled according to a charter or constitution while the latter is the kind of government that is ruled according to the will of the majority. I hope this would help
