File:Bad-control-group-experiment.png
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Bad-control-group-experiment.png (496 × 91 pixels, file size: 2 KB, MIME type: image/png)
The experiment with a bad control group
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:27, 6 October 2008 | 496 × 91 (2 KB) | Daniel K. Schneider (talk | contribs) | The experiment with a bad control group |
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