Response Rates & Demographic Sample Characteristics

This section gives an overview of the response rates for the expert survey and the demographic characteristics of respondents.

Table 1: Response Rates, by Country and Overall

	Australia	Germany	Switzerland	Turkey	USA	All Countries
Expert sampling frame	74	107	92	141	200	614
Complete Interviews (I)	15	19	21	20	21	96
Partial Interviews (P)	6	24	16	28	28	102
Refusal or Break Off (no data) (R)	11	5	11	8	14	49
Non-Interview Contact without explicit Refusal (NC)	36	58	39	81	141	355
Other (no partial or complete interview despite contact attempt) (O)	6	1	5	4	4	20
Response rate	28.4%	40.2%	40.2%	34.0%	23.6%	31.8%

Note: Response rate calculation based on AAPOR Response Rate 6 (AAPOR, 2016) using the formula (I+P)/((I+P) + (R+NC+O)).

Roughly two thirds of the experts were male and one third was female. 95% of the respondents were employed primarily at an institution of higher education and/or research while 5% were employed in the private sector, including private research enterprises.

References

AAPOR. (2016): Standard definitions: Final dispositions of case codes and outcome rates for surveys (No. 9). American Association for Public Opinion Research.