Dataset for: Feasibility and Preliminary Effects of a Self-Guided, Internet-Based ACT Program for Repetitive Negative Thinking in Turkish College Students: A Randomized Controlled Pilot Trial

Dataset: Feasibility and Preliminary Effects of a Self-Guided, Internet-Based ACT Program for Repetitive Negative Thinking in Turkish College Students: A Randomized Controlled Pilot Trial Authors: Seher Cömertoğlu Yalçın, Melike Nursultan Akkaya, K. Fatih Yavuz Trial registration: ClinicalTrials.gov NCT06192056 (retrospectively registered 5 January 2024) Ethics approval: Social Sciences Scientific Research Ethics Committee of Istanbul Medipol University (decision no. 89; June 12, 2023)