# Challenges and solutions

- [Time and Cost](/challenges-and-solutions/time-and-cost.md)
- [Data volume](/challenges-and-solutions/data-volume.md)
- [Lack of motivation among the participant of research](/challenges-and-solutions/lack-of-motivation-among-the-participant-of-research.md)
- [The intangibility of the research goal for participants](/challenges-and-solutions/the-intangibility-of-the-research-goal-for-participants.md)
- [The quality of collected data](/challenges-and-solutions/the-quality-of-collected-data.md)
- [Data Privacy issues](/challenges-and-solutions/data-privacy-issues.md)
- [Data ownership](/challenges-and-solutions/data-ownership.md)
- [SDG](/challenges-and-solutions/sdg.md)