Publications by authors named "Shaunagh O'Sullivan"

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Insights from fifteen years of real-world development, testing and implementation of youth digital mental health interventions.
Shane Cross, Shaminka Mangelsdorf, Lee Valentine, Shaunagh O'Sullivan, Carla McEnery

Internet Interv· September 2025

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A Virtual Reality-Based Cognitive Defusion Application for Youth Depression and Anxiety: Mixed Methods Experimental Study.
Imogen H Bell, Cassandra Li, Andrew Thompson, Carli Ellinghaus, Shaunagh O'Sullivan

JMIR Ment Health· August 2025

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A meta-analysis of persuasive design, engagement, and efficacy in 92 RCTs of mental health apps.
Lee Valentine, Jordan D X Hinton, Kriti Bajaj, Larissa Boyd, Shaunagh O'Sullivan

NPJ Digit Med· April 2025

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Predicting clinical improvement in youth using a national-scale multicomponent digital mental health intervention.
Shane Cross, Ping Liu, Isabelle Scott, Shaunagh O'Sullivan, Jennifer Nicholas

Behav Res Ther· March 2025

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A Novel Blended Transdiagnostic Intervention (eOrygen) for Youth Psychosis and Borderline Personality Disorder: Uncontrolled Single-Group Pilot Study.
Shaunagh O'Sullivan, Carla McEnery, Daniela Cagliarini, Jordan D X Hinton, Lee Valentine

JMIR Ment Health· April 2024

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The Cost-Effectiveness of a Novel Online Social Therapy to Maintain Treatment Effects From First-Episode Psychosis Services: Results From the Horyzons Randomized Controlled Trial.
Lidia Engel, Mario Alvarez-Jimenez, Daniela Cagliarini, Simon D'Alfonso, Jan Faller, Shaunagh O'Sullivan

Schizophr Bull· March 2024

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A Personalized, Transdiagnostic Smartphone Intervention (Mello) Targeting Repetitive Negative Thinking in Young People With Depression and Anxiety: Pilot Randomized Controlled Trial.
Imogen Bell, Chelsea Arnold, Tamsyn Gilbertson, Simon D'Alfonso, Emily Castagnini, Shaunagh O'Sullivan

J Med Internet Res· December 2023

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Understanding What Drives Long-term Engagement in Digital Mental Health Interventions: Secondary Causal Analysis of the Relationship Between Social Networking and Therapy Engagement.
Shaunagh O'Sullivan, Niels van Berkel, Vassilis Kostakos, Lianne Schmaal, Simon D'Alfonso

JMIR Ment Health· May 2023

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The impact of persistent social anxiety on social functioning and health-related quality of life in young people with remitted first-episode psychosis.
César González-Blanch, John F Gleeson, Carla McEnery, Shaunagh O'Sullivan, Rosa Ayesa-Arriola

Early Interv Psychiatry· August 2022

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Characterizing Use of a Multicomponent Digital Intervention to Predict Treatment Outcomes in First-Episode Psychosis: Cluster Analysis.
Shaunagh O'Sullivan, Lianne Schmaal, Simon D'Alfonso, Yara Jo Toenders, Lee Valentine

JMIR Ment Health· April 2022

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Young people's experience of online therapy for first-episode psychosis: A qualitative study.
Lee Valentine, Carla McEnery, Shaunagh O'Sullivan, Simon D'Alfonso, John Gleeson

Psychol Psychother· March 2022

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Psychometric properties of the Mindful Attention Awareness Scale (MAAS) in a first-episode psychosis sample.
César González-Blanch, Leonardo A Medrano, Shaunagh O'Sullivan, Imogen Bell, Jennifer Nicholas

Psychol Assess· February 2022

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The youth online training and employment system: Study protocol for a randomized controlled trial of an online vocational intervention for young people with mental ill health.
Magenta B Simmons, Jennifer Nicholas, Gina Chinnery, Shaunagh O'Sullivan, Simon D'Alfonso

Early Interv Psychiatry· December 2021

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The Horyzons project: a randomized controlled trial of a novel online social therapy to maintain treatment effects from specialist first-episode psychosis services.
Mario Alvarez-Jimenez, Peter Koval, Lianne Schmaal, Sarah Bendall, Shaunagh O'Sullivan

World Psychiatry· June 2021

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The role of social relatedness and self-beliefs in social functioning in first-episode psychosis: Are we overestimating the contribution of illness-related factors?
César González-Blanch, Leonardo A Medrano, Sarah Bendall, Simon D'Alfonso, Daniela Cagliarini, Shaunagh O'Sullivan

Eur Psychiatry· October 2020

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Blended Digital and Face-to-Face Care for First-Episode Psychosis Treatment in Young People: Qualitative Study.
Lee Valentine, Carla McEnery, Imogen Bell, Shaunagh O'Sullivan, Ingrid Pryor

JMIR Ment Health· July 2020

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Young People's Experience of a Long-Term Social Media-Based Intervention for First-Episode Psychosis: Qualitative Analysis.
Lee Valentine, Carla McEnery, Shaunagh O'Sullivan, John Gleeson, Sarah Bendall

J Med Internet Res· June 2020

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Young People's Satisfaction With the Online Mental Health Service eheadspace: Development and Implementation of a Service Satisfaction Measure.
Debra Rickwood, Alison Wallace, Vanessa Kennedy, Shaunagh O'Sullivan, Nic Telford

JMIR Ment Health· April 2019

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