Loneliness and Social Engagement Questionnaires for International Students: Germany and Croatia

This Zenodo record contains two closely related questionnaires used in a study on loneliness and social engagement among international students in Germany and Croatia. The questionnaires were administered in German and Croatian universities between September 2025 and January 2026; all core items are identical. Researchers may reuse or adapt these instruments with appropriate citation. Please cite the Zenodo DOI when using or adapting the questionnaires.