You are studying gastroesophageal reflux therapy among two hundred premature infants all of whom are less than 30 weeks and being tube fed in a NICU. You measure the average intraesophageal pH upon entry into the study, at two weeks, at four weeks and at six weeks. The best method to analyze this data is:

Question

Quizplus · Accepted Answer

Repeated measures ANOVA is the best method to analyze this data because it is designed to compare means across multiple time points for the same subjects, which fits the study design of measuring intraesophageal pH at different intervals.

You Are Studying Gastroesophageal Reflux Therapy Among Two Hundred Premature