TheraPhase: A Multi-Session Treatment Outcome Evaluation Dataset
Dataset Description
TheraPhase is a Chinese psychotherapy dataset designed for evaluating treatment outcomes across multiple therapy sessions. It contains paired client information from the initial and completion stages of treatment, enabling researchers to study longitudinal therapeutic progress and client-centered psychological assessment.
TheraPhase is introduced in the paper:
Multi-Session Client-Centered Treatment Outcome Evaluation in Psychotherapy Hongbin Na, Tao Shen, Shumao Yu, Ling Chen LREC 2026
Dataset Overview
| Property | Value |
|---|---|
| Language | Chinese |
| Number of Clients | 400 |
| Number of Sessions | 800 (400 initial + 400 completion) |
| Avg. Utterances per Session | 11.5 (std = 6.3) |
| Avg. Words per Utterance | 41.7 (std = 20.9) |
| Pairing | Each client has an initial-stage and a completion-stage session |
Citation
If you use the TheraPhase dataset, please cite the following paper:
@inproceedings{na2026multisession,
title={Multi-Session Client-Centered Treatment Outcome Evaluation in Psychotherapy},
author={Na, Hongbin and Shen, Tao and Yu, Shumao and Chen, Ling},
booktitle={Proceedings of the 15th Language Resources and Evaluation Conference (LREC 2026)},
year={2026}
}