Questionnaire and Survey Results: Design and Technical Requirements for Data Trustees (Blinded)

This document presents the complete questionnaire and the aggregated survey results from an expert study on the design and technical requirements for data trustees. It includes Likert scale items, multiple-answer questions, and associated visualizations (bar charts) that illustrate the collective responses. This is the blinded version intended for the review process. After the blind review, an updated (authorized) version may be uploaded under the same DOI via Zenodo’s versioning system.