Appendix A: Survey 1 Questions 1. Which National Program are you affiliated with? 2. What is your field of research? 3. Have you uploaded your data into a repository(s)? If not, please proceed to question 8. 4. Do you have a preferred repository(s)? If so, could you please provide it below? 5. Were all steps to meet your preferred repository(s) requirements user-friendly? If not, please specify the challenge. 6. Is it clearly outlined whether your preferred repository(s) provides a Persistent Identifier (DOI)? Was providing a DOI an important quality for the selection of the repository? 7. Does your preferred repository have specific requirements? (File formats, controlled vocabularies, metadata standards, etc.) 8. Do you need help finding a repository? 9. Would you like more training on how to select/evaluate a repository? 1