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Understanding The New Statistics by Geoff Cumming

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14

Correlations, Proportions, and FurtherEffect Size Measures

In earlier chapters, means and Cohen's d are almost the only ESs I've discussed. Here I'll go further and consider other measures we can use for the point estimates we want. Correlations and proportions are the main focus, and then I'll briefly mention some other ESs. As usual, I'll emphasize variation with replication, and the value of CIs. Here's the agenda:

  • Pictures of correlations
  • CIs on Pearson's r
  • CIs on r, and replication
  • Comparing two correlations
  • The ESCI Effect sizes software ...

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