How much therapy is enough? Comparing dose-effect and good-enough models in two different settings.


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 progressively less change in a negatively accelerating fashion. In contrast, the Good-Enough-Level (GEL) model proposes that patients, therapists, or patients-with-therapists decide on… (More)
DOI: 10.1037/pst0000039