Ever reused data
1 = No
2 = Yes

Data type
1 = Qualitative data
2 = Quantitative data
3 = Both
4 = Other

As the basis for a study
1 = Never
2 = Rarely
3 = Sometimes
4 = Often
5 = Always

The data themselves
1 = Never
2 = Rarely
3 = Sometimes
4 = Often
5 = Always
6 = N/A

The data themselves
0 = Not selected
1 = Selected

Do you cite secondary data
1 = No
2 = Yes
3 = Sometimes

Datacite
1 = I am aware of and use this recommendation
2 = I am aware of and do not use this recommendation
3 = I am unaware of this recommendation

Having data be recognized as a standalone research output, separate from publications
1 = Extremely unimportant
2 = Unimportant
3 = Neither important nor unimportant
4 = Important
5 = Extremely important

Assess the reach and influence of your own data
1 = Extremely unimportant
2 = Unimportant
3 = Neither important nor unimportant
4 = Important
5 = Extremely important
6 = N/A

Years of professional experience
1 = 0-5
2 = 6-15
3 = 16-30
4 = 30+

OECD Fields of Research and Technology classification
1.05 = Earth and related Environmental sciences
2.02 = Electrical engineering, Electronic engineering, Information engineering

OECD refined levels of Fields of Research and Technology classification
1 = Natural Sciences
2 = Engineering and Technology
3 = Medical and Health Sciences
4 = Agriculture Sciences
5 = Social Sciences
6 = Humanities

Research methods
1 = Mostly qualitative
2 = Mostly quantitative
3 = Mixed methods (quantitative and qualitative)
4 = Other

Organization
1 = Corporate
2 = Government agency
3 = Research institution
4 = University of college
5 = Other

Country
826 = United Kingdom of Great Britain and Northern Ireland (the)

Gender
1 = Man
2 = Woman
3 = Non-binary
4 = Option not listed
5 = Prefer not to say