This document presents a framework for assessing the quality of public dialogue in public policy making. For the purposes of this framework we are using the definition of public dialogue from the Government's Approach to Public Dialogue on Science and Technology (usually referred to as the Sciencewise Guiding Principles), which is: Public dialogue is a process during which members of the public interact with scientists, stakeholders (for example, research funders, businesses and pressure groups) and policy makers to deliberate on issues relevant to future policy decisions.