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  Deductive hypothesis?  Random or Unbiased Sample?  Large sample size?  Objective measures?  Stochastic statistics? Is it Quantitative or Qualitative.

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Presentation on theme: "  Deductive hypothesis?  Random or Unbiased Sample?  Large sample size?  Objective measures?  Stochastic statistics? Is it Quantitative or Qualitative."— Presentation transcript:

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2   Deductive hypothesis?  Random or Unbiased Sample?  Large sample size?  Objective measures?  Stochastic statistics? Is it Quantitative or Qualitative

3   Treatment  Perceptions  Correlational Experimental or Non- experimental?

4   Internal consistency  External validity  Criterion (external)  Construct (internal)  Content/Face Reliability & Validity

5   Simple  Stratified  TDM  Drop-Off/Pick-Up  Response Rates  Representativeness Sampling

6   How big are the differences?  Are the results substantiv Substantive Differences Vs. Statistically Different

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