In epidemiological studies,when should the hypotheses be formulated?
A) After the experimental research data have been collected
B) Retrospectively
C) After the experimental research data have been analyzed
D) At the outset of the study

Question

Quizplus · Accepted Answer

Hypotheses should be formulated at the outset of the study in epidemiological research, as they guide the study design, data collection process, and analysis plan. Formulating hypotheses after data collection and analysis may lead to biased results or lack of direction in the study.

In Epidemiological Studies,when Should the Hypotheses Be Formulated