Study Design 101: Estimation of Treatment Effects in RCTs Should Be Based on Between-Arm Contrasts, Not Observed Outcome Changes Within Treatment Arms

Darren L. Dahly; Tim P. Morris

doi:10.14309/ajg.0000000000003034

Study Design 101: Estimation of Treatment Effects in RCTs Should Be Based on Between-Arm Contrasts, Not Observed Outcome Changes Within Treatment Arms

Darren L. Dahly
, Tim P. Morris

University College London

Research output: Contribution to journal › Letter › peer-review

Original language	English
Pages (from-to)	485-486
Number of pages	2
Journal	American Journal of Gastroenterology
Volume	120
Issue number	2
DOIs	https://doi.org/10.14309/ajg.0000000000003034
Publication status	Published - 1 Feb 2025

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title = "Study Design 101: Estimation of Treatment Effects in RCTs Should Be Based on Between-Arm Contrasts, Not Observed Outcome Changes Within Treatment Arms",

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AU - Dahly, Darren L.

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Study Design 101: Estimation of Treatment Effects in RCTs Should Be Based on Between-Arm Contrasts, Not Observed Outcome Changes Within Treatment Arms

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