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1. In Table 2, the mean between-groups difference for body-mass index (BMI) falls outside the 95% confidence interval (CI); this is statistically impossible. 2. In the same table, the 95%… Click to show full abstract
1. In Table 2, the mean between-groups difference for body-mass index (BMI) falls outside the 95% confidence interval (CI); this is statistically impossible. 2. In the same table, the 95% CI for the between-groups difference in BMI includes 0, implying statistical nonsignificance; however, the finding is reported as statistically significant. 3. In the same table, the F value for the treatment by time interaction is larger for BMI than for weight. Given that the degrees of freedom for the two outcomes would almost certainly be identical, the reported p-value should have been smaller for BMI; yet, it is reported as larger.
Journal Title: Journal of Psychopharmacology
Year Published: 2017
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