Richard G. Sawatzky

St. Paul's Hospital
Vancouver, BC, Canada

Last Updated: 09/26/2026

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Found 143 publications

Correction: Impact of response shift on change in patient-reported outcomes: a systematic review.

Impact of response shift on change in patient-reported outcomes: a systematic review.

Response shifting: a qualitative meta-synthesis on response shift.

The argument-based approach to validity: theory, assumptions, evidence, and consequences.

Showing 1-12 of 143

Last Updated: 09/26/2026