Author
Daryl Mahon, D.SoC, MA
3 articles
Daryl Mahon is an Irish psychotherapist whose research interests are in therapy outcomes and processes. He is a lecturer, as well as providing training to practitioners in psychotherapy processes and outcomes. Daryl has worked largely in the non-profit sector with those from marginalized communities, in addition to running training through his Outcomes Matter company.
Investigation of the Psychometric Properties and Treatment Outcomes for a Brief Measure of Trauma Related Symptoms in Adolescents
Abstract The purpose of this article is to explore the psychometric properties of a brief measure of trauma-related symptoms among adolescents in psychotherapy, the ACORN Trauma Measure, as compared to a general outcome questionnaire called the ACORN Global Distress Measure. The ACORN Trauma Measure includes three trauma-specific items intended to give clinical insight into the […]
Daryl Mahon, D.SoC, MA + 2 more
November 23, 2021
The Relationship Between Measures of Alliance and Outcome in Psychotherapy Lasting More Than Five Sessions
The purpose of this paper is to explore the relationship between alliance measures and improvement on the outcome measure for clients in longer term treatment (six to 20 sessions). This is the second of a two part series. The first article (Mahon et al., 2021) explored the relationship between alliance scores and improvement on the […]
Daryl Mahon, D.SoC, MA + 2 more
August 1, 2021
The Relationship Between Session-to-Session Change on a Therapeutic Alliance Measure and Outcome of Treatment for Short Term Psychotherapy
The therapeutic alliance (Bordin, 1979) remains one of the most studied constructs in psychotherapy outcome research (Norcross & Lambert, 2019), and is a robust predictor of client outcome (Flückiger et al., 2018; 2020; Wampold & Imel, 2015). It has been established that therapists vary in their ability to build and maintain an effective alliance, which […]
Daryl Mahon, D.SoC, MA + 2 more
July 18, 2021