足够好水平与剂量效应模型：结果与治疗师之间的差异
Good-enough level and dose-effect models: Variation among outcomes and therapists.
作者信息
Owen Jesse J, Adelson Jill, Budge Stephanie, Kopta Stephen M, Reese Robert J
机构信息
a Department of Educational & Counseling Psychology , University of Louisville , Louisville , KY , USA.
b Psychology Department , University of Evansville , Evansville , IN , USA.
出版信息
Psychother Res. 2016;26(1):22-30. doi: 10.1080/10503307.2014.966346. Epub 2014 Oct 27.
OBJECTIVE
The current study examined the good-enough level (GEL) and dose-effect model on three outcome variables: well-being, symptom distress, and life functioning, while accounting for therapist effects. The dose-effect model assumes the rate of change is consistent across clients, and the GEL model assumes that the rate of change will vary according to the total length of treatment.
METHOD
The sample included 13,664 clients who completed 2-100 sessions of therapy.
RESULTS
The GEL model was a better fit to the data compared to the dose-effect model for all outcomes. There were fewer changes in life functioning compared to well-being and symptom distress for clients. There were significant therapist effects for changes in symptom distress and life functioning, but not for the rates of change in well-being.
CONCLUSION
Therapists should consider the rates of change for their own clients as well as by outcome.
目的
本研究考察了在考虑治疗师效应的情况下，针对三个结果变量（幸福感、症状困扰和生活功能）的足够好水平（GEL）和剂量效应模型。剂量效应模型假定客户之间的变化率是一致的，而GEL模型假定变化率会根据治疗的总时长而有所不同。
方法
样本包括13664名完成了2至100次治疗疗程的客户。
结果
对于所有结果而言，与剂量效应模型相比，GEL模型对数据的拟合度更好。与幸福感和症状困扰相比，客户的生活功能变化较少。症状困扰和生活功能的变化存在显著的治疗师效应，但幸福感的变化率不存在治疗师效应。
结论
治疗师应考虑自己客户的变化率以及不同结果的变化率。
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