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Stephen D. Walter

Researcher at McMaster University

Publications -  522
Citations -  62049

Stephen D. Walter is an academic researcher from McMaster University. The author has contributed to research in topics: Randomized controlled trial & Population. The author has an hindex of 112, co-authored 513 publications receiving 57012 citations. Previous affiliations of Stephen D. Walter include Christian Medical College & Hospital & McMaster-Carr.

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Development and reliability of a system to classify gross motor function in children with cerebral palsy

TL;DR: A five‐level classification system analogous to the staging and grading systems used in medicine, which has application for clinical practice, research, teaching, and administration is developed.
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Measuring change over time: assessing the usefulness of evaluative instruments.

TL;DR: Responsiveness should join reliability and validity as necessary requirements for instruments designed primarily to measure change over time in psychometric measures.
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Sample size and optimal designs for reliability studies

TL;DR: A functional approximation to earlier exact results is shown to have excellent agreement with the exact results and one can use it easily without intensive numerical computation.
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The results of direct and indirect treatment comparisons in meta-analysis of randomized controlled trials

TL;DR: An alternative model is presented that evaluates the differences between treatment and placebo in two sets of clinical trials, and preserves the randomization of the originally assigned patient groups.