分析心理治疗中对话方向的转向，发现患者主导权随关系发展上升，初期主导弱者更易终止治疗。
Taking a turn for the better: Conversation redirection throughout the course of mental-health therapy
- 提出概率化对话转向度量方法，量化每次发言对对话方向的实际影响。
- 发现患者对对话的控制力随疗程推进逐渐超过治疗师，尤其在后期显著增强。
- 初期控制力弱的患者更易对治疗师不满并提前退出，提示关系动态关键指标。
心理治疗涉及复杂的对话流程，患者与治疗师不断协商下一步讨论内容。治疗师可能引导话题以维持治疗进度，避免停滞；患者也可能推动讨论聚焦自身关注点。这种互动如何影响关系发展与质量？我们提出一种概率性度量方法，评估某句话对对话流向的即时转向程度，兼顾意图与实际效果。将该方法应用于一个大型在线治疗平台的多轮会话数据，发现：(1) 随着关系发展，患者对对话方向的控制力总体上逐渐超过治疗师；(2) 在早期阶段控制力较弱的患者，显著更可能最终对治疗师表达不满并终止治疗。
原文摘要 · Abstract (English)
Mental-health therapy involves a complex conversation flow in which patients and therapists continuously negotiate what should be talked about next. For example, therapists might try to shift the conversation's direction to keep the therapeutic process on track and avoid stagnation, or patients might push the discussion towards issues they want to focus on. How do such patient and therapist redirections relate to the development and quality of their relationship? To answer this question, we introduce a probabilistic measure of the extent to which a certain utterance immediately redirects the flow of the conversation, accounting for both the intention and the actual realization of such a change. We apply this new measure to characterize the development of patient-therapist relationships over multiple sessions in a very large, widely-used online therapy platform. Our analysis reveals that (1) patient control of the conversation's direction generally increases relative to that of the therapist as their relationship progresses; and (2) patients who have less control in the first few sessions are significantly more likely to eventually express dissatisfaction with their therapist and terminate the relationship.
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