Understanding quant-1. design (class 5)

Understanding quant-1. design (class 5) - Understanding...

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Unformatted text preview: Understanding Quantitative Designs 1 Research design overall plan for obtaining answers to the research questions or testing the hypotheses spells out basic strategies that researcher adopts to develop information that is accurate and interpretable stimulates fundamental form the research will take 2 maximizes control over factors that might interfere with the validity of findings end result of decisions made by researcher concerning how study will be implemented closely associated with the framework of the study 3 To provide answers to research questions To control variance Experimental Extraneous Error 4 Testing an Intervention (experimental) Important questions What is the intervention? How is it different from usual care? What procedures will be use for those receiving & not receiving the intervention Who will receive the intervention How will each group be selected 5 What is intensity of the intervention? How long a period will intervention be administered Who will administer the intervention? What are their credentials? How will they be trained? Will they be fully informed about the nature of the study? 6 Will participants be fully informed about the nature of the study? Under what conditions will the interventions be altered? 7 Comparisons need to make comparison to provide a context for interpreting results specify comparisons in advance comparisons between 2 or more groups comparisons of a single group at 2 or more points in time 8 Comparison of a single group under different circumstances or experiences comparison based on relative rankings-- comparison of those with different rankings (high vs low) comparison with samples from other studies 9 Difficult to answer research questions unambiguously unless other factors extraneous to the research questions are controlled...
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This note was uploaded on 02/16/2011 for the course NURS 400 taught by Professor Boyd during the Spring '11 term at South Carolina.

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Understanding quant-1. design (class 5) - Understanding...

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