Reliability - What is it and Why is it Important to Medical Statistics?
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What to expect from this webinar:
Psychometric methods concerning reliability: classical test theory, generalizability theory and item response theory, are briefly explained. For each of these, several examples from the medical literature are given. The Spearman-Brown formula for reliability of the mean of repeated measurements is presented, and consequences for study sample size / power are discussed.
A summary is given, referring back to what reliability is and why it is important to pharmaceutical / medical statistics. Key references are given for anyone who wants to know more about the subject.