Clinical Trials and Cohort Studies Quiz

Observational studies focus on rare diseases, while clinical trials focus on common diseases.

Clinical trials have larger sample sizes than observational studies.

Clinical trials assign interventions, while observational studies do not. (correct)

Observational studies involve blinding, while clinical trials do not.

To increase the financial incentive for participants to enroll in the trial.

To ensure blinding and prevent researchers from knowing the intervention assignment.

To stratify the study population based on patient characteristics.

To reduce bias and ensure each subject has an equal chance of receiving the intervention. (correct)

To enrich the study population with patients more likely to respond to the intervention.

To decrease bias by preventing participants or researchers from knowing who is receiving the intervention. (correct)

To increase client enthusiasm and compliance with the study protocol.

To ensure that all patients receive the experimental therapy.

<p>True clinical benefits that are critical and easily measured.</p> Signup and view all the answers

<p>To prospectively use patient characteristics in a population where detection of outcomes is more likely than unselected populations.</p> Signup and view all the answers