Do CIs Give You Confidence?

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Presentation transcript:

Do CIs Give You Confidence? Geoffrey R. Norman, PhD, David L. Streiner, PhD  CHEST  Volume 141, Issue 1, Pages 17-19 (January 2012) DOI: 10.1378/chest.11-2193 Copyright © 2012 The American College of Chest Physicians Terms and Conditions

Figure 1 P value as the area of the Ho distribution to the right of the sample mean. CHEST 2012 141, 17-19DOI: (10.1378/chest.11-2193) Copyright © 2012 The American College of Chest Physicians Terms and Conditions

Figure 2 CI as the symmetrical interval around the sample mean containing 95% of possible mean values. CHEST 2012 141, 17-19DOI: (10.1378/chest.11-2193) Copyright © 2012 The American College of Chest Physicians Terms and Conditions