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Understanding The New Statistics by Geoff Cumming

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6

Two Simple Designs

Many of the simplest experiments compare two conditions, perhaps using the two-independent-groups design or the paired design. You may be familiar with these designs in the context of the independent-groups t test and paired t test. This chapter discusses how to use CIs to present and interpret results from these two designs. Here's the agenda:

  • The dreadful ambiguity of conventional figures

The two-independent-groups design:

  • Displaying the data
  • A rule of eye for estimating the p value
  • Presenting your own data
  • Illustrating ...

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