Mixed Random and Nonrandom Allocation, and Group Randomization Have Been Mislabeled and Misanalysed, Necessitating Reanalysis. Comment on Conner et al. KiwiC for Vitality: Results of a Randomized Placebo-Controlled Trial Testing the Effects of Kiwifruit or Vitamin C Tablets on Vitality in Adults with Low Vitamin C Levels. Nutrients 2020, 12, 2898
Argues that mixed random and nonrandom allocation and group assignment in a kiwifruit and vitamin C trial were mislabeled and require reanalysis.
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Statistical rigorReporting transparencyNutrition & aging
Author affiliations & identifiers
- Colby J Vorland: Department of Applied Health Science, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA. · ORCID 0000-0003-4225-372X
- Yasaman Jamshidi-Naeini: Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA. · ORCID 0000-0003-4769-2764
- Lilian Golzarri-Arroyo: Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA. · ORCID 0000-0002-1221-6701
- Andrew W Brown: Department of Applied Health Science, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA. · ORCID 0000-0002-1758-8205
- David B Allison: Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA. · ORCID 0000-0003-3566-9399
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