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Introduction to Validity

Validity is the best approximation of truth or falsity in research. This comprehensive discussion explores the various types of validity, including internal and external validity, and examines how these concepts apply to research conclusions. It delves into the causal contexts that shape validity, posing critical questions about generalizability and potential threats. Understanding these factors is crucial for ensuring reliable and accurate research findings. A checklist of common threats to validity is also provided to aid in study planning.

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Introduction to Validity

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Presentation Transcript

    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 dont 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 dont 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 cant you cant 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 cant you cant 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

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