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WGU C431 HCM 3410 Healthcare Research & Statistics FA PRE-TEST GUIDE 2026/2027
1. What is the primary purpose of using regression analysis in
healthcare research?
A. To determine the cause of diseases
B. To predict healthcare trends
C. To analyze patient
D. To conduct clinical trials
Correct Answer: B. To predict healthcare trends
Rationale: Regression analysis helps in identifying
relationships between variables and predicting future trends.
2. Which type of bias occurs when some members of the intended
population are less likely to be included in the sample?
A. Information Bias
B. Selection Bias
C. Recall Bias
D. Confirmation Bias
Correct Answer: B. Selection Bias
Rationale: Selection bias occurs when the sample is not
representative of the population.
3. In hypothesis testing, what does a p-value of 0.03 indicate?
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