Table 1.

Q Sample structure

	Issue	Description
1	Drivers (18 statements)	Ability to isolate, utility of isolating drivers; specific drivers: scarcity, degradation, disasters, economics, drought/desertification, ecology or the climate
2	Terminology (10 statements)	Use of “refugee,” specific names, definitions, including three proposed by Renaud/Dun’07
3	Politically charged aspects (9 statements)	Protection, legal recognition, national security, attribution and responsibility, and appropriate interventions
4	Quantification (5 statements)	Existing evidence, projections, and the direction of the flow of such migrants and the role of (or need for) more concrete evidence in guiding policy
Total: 42 statements