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Thread: Experimental design, analysis and reporting

  1. #1
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    Default Experimental design, analysis and reporting

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    Nicely done video series on experimental design and analysis. The series also covers reporting.

    Experimental design: Experimental Design - YouTube

    Analysis and reporting: Analysis and Reporting - YouTube

    Given the extensive criticism of so many ex fizz papers and the recent discussion of science, I thought this might be of interest.

    Introduction at Reproducibility in Research: An Introduction - YouTube. Might even be useful for CME credit through Indiana Univ School of Medicine.

  2. #2
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    Fascinating.

  3. #3
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    He gets p-values right!! Hard to find that in this day and age

    Analysis and Reporting Module 2b: P Values - YouTube

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    Quote Originally Posted by Tiburon View Post
    He gets p-values right!! Hard to find that in this day and age

    Analysis and Reporting Module 2b: P Values - YouTube
    Agreed.

    The next video explains that even with typical p-values and powers, we can have a false discovery rate (seemingly significant results that were not true effects) of 50% or more. This is amazing and frightening. Analysis and Reporting Module 2c: P Value Meaning - YouTube

    Obligatory xkcd: xkcd: Significant

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    Quote Originally Posted by Elephant View Post
    Obligatory xkcd: xkcd: Significant
    You can try it yourself!
    What color jelly bean causes (or prevents!) acne?

  6. #6
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    In most cases there is only one statistical measure that really matters:

    P(H>U) >= T ?
    The Significance level of P is determined by whether it exceeds T

    "What is the probability that your statistics will be reviewed by someone who regards himself as a greater statistical expert than you?"

    How much criticism can you Tolerate.

    Cynical...I know.

  7. #7
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    Didn't watch yet, but I prolly will, cuz I'm a nerd. But do they talk about effect sizes?

  8. #8
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    Quote Originally Posted by Jonathon Sullivan View Post
    Didn't watch yet, but I prolly will, cuz I'm a nerd. But do they talk about effect sizes?
    Yes, including that different anticipated effect sizes suggest using different sample sizes and pointing out the oft-overlooked distinction between statistical significance and clinical significance.

  9. #9
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    Quote Originally Posted by Elephant View Post
    Yes, including that different anticipated effect sizes suggest using different sample sizes and pointing out the oft-overlooked distinction between statistical significance and clinical significance.
    Outstanding. Yeah, I'll have to watch. Thanks.

  10. #10
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    starting strength coach development program

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