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7 Cards in this Set
- Front
- Back
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Define a Randomized Controlled Trial.
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A “true” experiment in which people are randomly allocated to receive a new intervention
(experimental group) or to receive a conventional intervention or none. |
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What is included in a randomized controlled trial for the participants?
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Follow up
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What are the strengths of a randomized controlled trial?
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random assignment and the longitudinal nature, which ascertains whether the intervention determines outcome.
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List the disadvantages for a randomized controlled trial.
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cost, the wait for the follow up, possible lack of generalizibility
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WHat is a cohort?
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A group of individuals sharing a common characteristic and observed over time in the group
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WHat is a cohort study?
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Study that follow a cohort who are initially free of the disease or other condition of interest, and compares the characteristics of those who develop the condition with those who do not.
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What is the benefit and cons of a cohort study?>
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High level of evidence, but usually slow and expensive
-results may be inconclusive due to lack of data if the condition of interest has low prevalence |
