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[Bug]: Equivalence T-test #3145

@sinchi3488

Description

@sinchi3488

JASP Version

0.19.3

Commit ID

No response

JASP Module

Equivalence T-Tests

What analysis are you seeing the problem on?

Independent sample T-test

What OS are you seeing the problem on?

Windows 11

Bug Description

The results of the Independent sample T-test in equivalence test module for the upper and lower bound seem to be switched. As I had the confidence interval of the results including the lower limit of the equivalence region, yet the results showed significant P-value for the lower bound. While, the confidence interval of the results not including the upper limit of the equivalence region, yet it shows non-significant P-value.

Equivalence region: -2 : +2
The test results CI: -2.45 : +0.92
The upper bound P-value: 0.113
The lower bound P-value: 0.004

Equivalence testing.pdf

Expected Behaviour

Equivalence region: -2 : +2
The test results CI: -2.45 : +0.92
The upper bound P-value: 0.004
The lower bound P-value: 0.113

Steps to Reproduce

  1. Open data file in jamovi
  2. Under Equivalence T-test
  3. Choose Independent sample t-test
  4. Pain 48 in variables
  5. Group in grouping variable
  6. Equivalence region: -2 : +2

Data.csv

...

Log (if any)

No response

More Debug Information

No response

Final Checklist

  • I have included a screenshot showcasing the issue, if possible.
  • I have included a JASP file (zipped) or data file that causes the crash/bug, if applicable.
  • I have accurately described the bug, and steps to reproduce it.

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