Tuesday, August 6, 2013

importance of validity and research design


1. Discuss the importance of validity and research design. Next, choose one type of validity (internal, external, construct, or statistical conclusion) and discuss its relevance to experimental, quasi-experimental, and non-experimental research.
2. Discuss the three major conditions that must be met in order to establish cause and effect. Next, choose one of these conditions and come up with a scenario that would not allow a researcher to meet this condition. Why would this scenario affect the overall validity of the findings?
***The three major conditions that must be met in order to establish cause and effect are 1. co variation 2. temporal precedence 3. no plausible alternative explanation
3. Define the four major approaches in the qualitative method: grounded theory, phenomenological, ethnographic, and narrative approaches. Next, choose any two and compare and contrast the approaches. What research scenarios would warrant the use of the two choices?Click Here To Get More On This Paper!!!!

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