Sampling Matters

Are the results of your study non-significant?

If you’ve experienced disappointing non-significant results in your research, you may wish to refer to the excellent statistics note by Altman and Bland (BMJ, 1995; 311: 485) that considers that absence of evidence is not necessarily evidence of absence.

In their note, these authors explain that non-significant findings may arise in studies based on small sample sizes and consequent insufficient power to detect genuinely significant results. The article has been cited more than 2000 times, according to Google Scholar.

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