5. It is not always ethical to randomly assign participants to receive or not re

ID: 277977 • Letter: 5

Question

5. It is not always ethical to randomly assign participants to receive or not receive an intervention.

A. True B. False

6. What is the degree to which study findings are true for the target sample population?

A. Random error

B. External validity

C. Internal validity

D. Systematic error

E. None of the above

7. Which of the following characteristics are relevant to selection bias? Please select all that apply.

A. Can be overcome by increasing sample size

B. May be reduced by ensuring high participation rates

C. Is a type of systematic error

D. Can be detected with an attrition analysis

E. Occurs when classifying participants with respect to exposures or outcomes

Hi Answer:

5. It is not always ethical to randomly assign participants to receive or not receive an intervention.

Answer: Option A. True

6. What is the degree to which study findings are true for the target sample population?

Answer: Option B (External validity)

7. Which of the following characteristics are relevant to selection bias? Please select all that apply.

Answer: Option C & E (Is a type of systematic error AND Occurs when classifying participants with respect to exposures or outcomes)

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.