When should factorial designs be used for late-phase randomised controlled trials?
<p><b>Background</b></p> A 2×2 factorial design evaluates two interventions (A versus control and B versus control) by randomising to control, A-only, B-only or both A and B together. Extended factorial designs are also possible (e.g. 3×3 or 2×2×2). Factorial designs often re...
Main Authors: | , , , , |
---|---|
Format: | Journal article |
Language: | English |
Published: |
SAGE Publications
2023
|