Donald E. Addington
Calgary, AB, Canada
Last Updated: 09/26/2026
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Found 46 publications
An appraisal of practice guidelines for early intervention services for psychosis: Using AGREE II (Appraisal of Guidelines for Research and Evaluation) to enhance the quality and trustworthiness of guidelines in the future.
Journal: Schizophrenia research
Published: December 01, 2025
Adaptation of the First Episode Psychosis Services-Fidelity Scale for Use in New and Small Programs.
Adaptation of the First Episode Psychosis Services-Fidelity Scale for Use in New and Small Programs.
Journal: Early intervention in psychiatry
Published: September 04, 2025
The First Episode Psychosis Services Fidelity Scale as a Measure of Quality of Care.
Journal: Schizophrenia bulletin open
Published: April 17, 2025
Fidelity to the first episode psychosis coordinated specialty care model in Massachusetts: Comparison to clinical outcomes and national programs.
Journal: Schizophrenia research
Published: April 01, 2025
Adapting the First Episode Psychosis Services Fidelity Scale in Asia: A Comprehensive Evaluation of Singapore's Early Psychosis Intervention Programme.
Journal: Early intervention in psychiatry
Published: March 04, 2025
Development of the Clinical High Risk for Psychosis Services Fidelity Scale (CHRPS-FS) for Team-Based Care.
Journal: Psychiatric services (Washington, D.C.)
Published: February 27, 2025
Fidelity, Implementation Determinants, and Patient-Level Outcomes Following Initial Implementation of NAVIGATE in the Early Psychosis Intervention-Spreading Evidence-Based Treatment (EPI-SET) Study.
Journal: Schizophrenia bulletin
Published: January 06, 2025
Quality indicators for schizophrenia care: A scoping review.
Journal: Schizophrenia research
Published: June 24, 2024
Standardizing Fidelity to Evidence-Based Practice in the Early Psychosis Intervention Network.
Journal: Psychiatric services (Washington, D.C.)
Published: May 21, 2024
Development and implementation of fidelity assessment in first episode psychosis services in Czechia: A pilot study.
Journal: Early intervention in psychiatry
Published: March 29, 2022
Adapting Evidence-Based Early Psychosis Intervention Services for Virtual Delivery: Protocol for a Pragmatic Mixed Methods Implementation and Evaluation Study.
Journal: JMIR research protocols
Published: October 31, 2021
Developing an International Standard Set of Patient-Reported Outcome Measures for Psychotic Disorders.
Journal: Psychiatric services (Washington, D.C.)
Published: August 09, 2021
Last Updated: 09/26/2026