Type I and Type II errors, and how statistical tests can be misleading

Format: Researchers

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Language/s: 3-4 - How certain is the evidence?

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Resource Link: View The Video

Target Audience: 3-1 Do the outcomes measured matter to you?

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2-9 Reviews of fair comparisons should be systematic

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Short Description:

Gilbert Welch’s 12-min video explaining Type I and Type II errors, and how statistical tests can be misleading.

Key Concepts addressed:

• 1-2 Anecdotes are unreliable evidence
• 1-12 Dramatic treatment effects are rare

Details