Transcription of Study Design - Jones & Bartlett Learning
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Study Design - Jones & Bartlett Learning
222 Study DesignDesigning a research Study is not a simple task. Just as the key elements anddeterminants of outcomes of war are fixed even before it is fought ( , at itsplanning stages), the success of a Study is also largely determined at its initialplanning stage. Successful studies need to address two important dimen-sions: reliability and validity. A reliable Study should be replicable, providingsimilar results if the same Study parameters are applied. Validity is concernedwith the ability of the Study to correctly answer the question it asks.
26 STUDY DESIGN BOX 2.2 General Properties of Case-Control Studies Definition: Case-control studies compare cases and disease-free controls for their exposure status and compare the risk of exposure in cases and controls. Usually, cases are people with disease, but treatment outcomes or other
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