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1. 8:16 AM Introduction to Validity
2. 8:16 AM What is Validity? the best available approximation to the truth or falsity of a given inference, proposition, conclusion
a set of standards by which research can be judged
3. 8:16 AM The Causal Context
4. 8:16 AM The Causal Context
5. 8:16 AM The Causal Context
6. 8:16 AM The Causal Context
7. 8:16 AM The Causal Context
8. 8:16 AM The Causal Context
9. 8:16 AM The Causal Context
10. 8:16 AM The Causal Context
11. 8:16 AM The Causal Context
12. 8:16 AM Conclusion Validity what you did and what you saw?
your program and your observations?
13. 8:16 AM Internal Validity what you did and what you saw?
your program and your observations?
14. 8:16 AM Can we generalize to the constructs?
15. 8:16 AM External Validity Can we generalize to other persons, places, times?
16. 8:16 AM The Validity Questions are cumulative...
17. 8:16 AM The Validity Questions are cumulative...
18. 8:16 AM The Validity Questions are cumulative...
19. 8:16 AM The Validity Questions are cumulative...
20. 8:16 AM The Validity Questions are cumulative...
21. 8:16 AM The Validity Questions are cumulative...
22. 8:16 AM Threats to Validity There is a relationship between the cause and effect
The relationship is causal
We can generalize to the constructs
We can generalize to other persons, places, times
23. 8:16 AM Threats to Validity there is a relationship but you don’t see it
there is no relationship but you do see one
24. 8:16 AM Threats to Validity there is a causal relationship but you don’t see it
there is no causal relationship but you do see one
25. 8:16 AM Threats to Validity you can generalize to constructs, but you conclude you can’t
you can’t generalize to constructs but you conclude you can
26. 8:16 AM Threats to Validity you can generalize to other contexts, but you conclude you can’t
you can’t generalize to contexts but you conclude you can
27. 8:16 AM Threats to Validity how you can be wrong in making your inference
specific factors that can bias or distort your conclusions
a list of common threats to the quality of your study
a “checklist” you can use in planning your study
28. 8:16 AM