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Conclusion Validity (con’t). Conclusion validity Threats to conclusion validity Power Decision matrix explained Mr. Robert Becker -- The decision matrix in action, “The O.J. Simpson Trial.”. Conclusion Validity. Is there a relationship between. What you did and what you saw?
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Conclusion Validity (con’t) • Conclusion validity • Threats to conclusion validity • Power • Decision matrix explained • Mr. Robert Becker -- The decision matrix in action, “The O.J. Simpson Trial.”
Conclusion Validity Is there a relationship between... • What you did and what you saw? • Your program and your observations? Program Observations Program-outcome relationship What you do What you see Observation In this study
Conclusion Validity • The extent to which the research design is sufficiently precise or powerful enough for the detection of effects on the operationalized variable should they exist
Elements of Conclusion Validity • Sufficient power • Reasonable evidence to find that that the cause and effect covary • Significant covariation
Important Concepts Power Threats to Conclusion Validity