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A single-panel comic shows a person saying, ''I invented a device that quantifies the validity bias and reliability of any instrument. Now I am trying to figure out how well IT works.'' The machine currently shows that the validity is 18.71, the bias is 83.12, and the reliability is 91.46.

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Open-Access Active-Learning Basic Statistics Course by Morton Ann Gernsbacher, PhD and Chelsea Andrews, PhD is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License and based on Statistical Thinking for the 21st Century by Russell Poldrack, PhD. Permissions beyond the scope of this license may be available.
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