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 …

The good-enough level (GEL) model posits that the rate of change in psychotherapy is
related to the total dose of therapy. The psychotherapy dose-response literature has typically …

Abstract The Dose-Effect model holds that longer therapy leads to better outcome, although
increasing treatment length will yield diminishing returns, as additional sessions lead to …

Objective: Most research on the dose–effect (DE) and good-enough level (GEL) models of
change has used general outcome measures. The purpose of this study was to determine if …

Abstract The “good-enough level”(GEL) model proposes that people respond differentially to
psychotherapy, and that the typical curvilinear “dose-response” shape of change may be an …

To date, few studies have been published on the dose–response relationship in
psychotherapy. The current study addresses limitations of previous research by using (1) …

Objective: There is an ongoing debate concerning how outcome variables change during
the course of psychotherapy. We compared the dose–effect model, which posits diminishing …

Objective: Differences between therapists in their average outcomes (ie, therapist effects)
have become a topic of increasing interest in psychotherapy research in the past decade …

To consider the relationships between, therapist variability, therapy modality, therapeutic
dose and therapy ending type and assess their effects on the variability of patient outcomes …

Objective The current study used multilevel growth mixture modeling to ascertain groups of
patients who had similar trajectories in their psychological functioning over the course of …