Clinical Trials and Study Designs Quiz
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Questions and Answers

What is the Responder Rate used to measure in intervention outcomes?

Response rate

What does an RR of 0.7 indicate?

70% of participants met the condition for being classed as a 'responder'

What is the Rate Ratio (Relative Risk) used for in intervention comparisons?

Comparing differences between two interventions

What information does the Odds Ratio provide in intervention comparisons?

<p>Probability of response for one intervention compared to another</p> Signup and view all the answers

What does the Number Needed to Treat (NNT) indicate?

<p>The number of patients that need to be treated to achieve one additional response</p> Signup and view all the answers

What is the main difference between retrospective and prospective studies?

<p>Retrospective studies examine past behaviors only, while prospective studies monitor into the future to look for specific outcomes.</p> Signup and view all the answers

In a clinical trial, what is the purpose of Phase 2?

<p>Phase 2 is the first phase where the drug is tested on patients.</p> Signup and view all the answers

What type of data is weight, blood pressure, and blood glucose in clinical trials?

<p>Scalar (continuous) data</p> Signup and view all the answers

Describe the difference between observational and interventional studies.

<p>Observational studies observe existing characteristics, while interventional studies involve actions taken as part of the study.</p> Signup and view all the answers

What is the purpose of Phase 4 in clinical trials?

<p>Phase 4 involves post-marketing surveillance.</p> Signup and view all the answers

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