CMAS Research Methods & Evidence-Based Practice 2

Question 1

Which study design is considered the gold standard for establishing causality in clinical research?

Accepted Answer

Randomized controlled trial (RCT)

Answer

RCTs use random assignment to minimize bias, making them the gold standard for establishing cause-and-effect relationships.

Question 2

In evidence-based practice, what does the acronym PICO stand for?

Accepted Answer

Patient, Intervention, Comparison, Outcome

Answer

PICO stands for Patient/Population, Intervention, Comparison, and Outcome, and is used to frame clinical research questions.

Question 3

A medical researcher wants to study the long-term effects of a new medication by following a group of patients over 10 years. Which study design is most appropriate?

Accepted Answer

Prospective cohort study

Answer

A prospective cohort study follows participants forward in time, making it ideal for studying long-term outcomes of exposures or treatments.

Question 4

What is the primary purpose of blinding in a clinical trial?

Accepted Answer

To minimize bias from participant or researcher expectations

Answer

Blinding prevents participants and/or researchers from knowing treatment assignments, reducing performance and detection bias.

Question 5

Which level of evidence is typically assigned to expert opinion and case reports?

Accepted Answer

Level V

Answer

Expert opinions and case reports sit at the lowest level (Level V) of the evidence hierarchy due to their susceptibility to bias.

(CMAS) Certified Medical Administrative Specialist Practice Test

(CMAS) Certified Medical Administrative Specialist Practice Test

CMAS Research Methods & Evidence-Based Practice 2