Is statistical power necessary to quantify the impact on study conclusions of moving from two to one assessments?. (January 2020)

• Record Type: Journal Article
• Authors: Moser, Mireille; Lepage, Mélissa; Pineau, Nicolas; Rytz, Andreas
• Is Part Of: Food quality and preference. Volume 79(2020)
• Publication Date: 2020-01
• Subjects: Food preferences -- Periodicals; Food -- Quality -- Periodicals; Food industry and trade -- Quality control -- Periodicals; Préférences alimentaires -- Périodiques; Aliments -- Qualité -- Périodiques; Aliments -- Industrie et commerce -- Qualité -- Contrôle -- Périodiques; Food industry and trade -- Quality control; Food preferences; Food -- Quality; Periodicals; 664
• DOI: 10.1016/j.foodqual.2019.01.023
• Languages: English
• ISSNs: 0950-3293

Abstract

Highlights: Considering a-posteriori power is directly related to considering p -values and therefore lead to similar conclusions. Considering a-priori power addresses an interesting but different question and requires strong additional assumptions. Additional results and technical details are provided in appendix.