ORTHO
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Review Question - QID 214065

Statistic Definitions Type II Error (beta) Definition QID: 214065 (OBQ19.163)
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QID 214065 (Type "214065" in App Search)
A prospective, randomized controlled trial of 100 patients undergoing reverse total shoulder arthroplasty is performed to determine if lateralization of the glenoid baseplate increases external rotation compared with a medialized Grammont design. The study found no difference in external rotation motion between groups (p = .42). Since then, several multicenter prospective, randomized controlled trials have demonstrated a significant increase in external rotation motion with the use of a lateralized design (p = .03). Which of the following errors most likely occurred in the first study?
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