Weighing Evidence – IRB Reference Notes (2020)

1 Introduction

This IRB briefing document serves as a reference guide for all IRB Divisions (ID, IAD, RPD, RAD) on weighing evidence. It outlines key principles, steps in decision making, standards of proof, and considerations for various evidence types. It is not mandatory or exhaustive, but provides a concise framework to identify relevant factors and typical practices when weighing different kinds of evidence.