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Psychometric properties and score distributions of the Clinical Outcomes in Routine Evaluation measures within a non-help-seeking population from Spain

Bibliographic Data

ID5122971
AuthorsClara Paz (0000-0003-1106-9567, Universidad de Las Américas), Luis Ángel Saúl (0000-0002-6351-8283, Universidad Nacional de Educación a Distancia), Pedro Ramírez Lafuente (0000-0001-8305-6760, Universidad Nacional de Educación a Distancia), Chris Evans (0000-0002-4197-4202, Universidad de Las Américas)
Year2025
Volume38
Issue1
Pages25-25
Publication date2025-09-02
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenuePsicologia Reflexão e Crítica (JOURNAL)
Journal identifiersISSN: 0102-7972 • E-ISSN: 1678-7153
PublisherSpringer Science and Business Media LLC (PUBLISHER)
DOI10.1186/s41155-025-00341-6
PMID40892359
OpenAlexW4413900937
LanguageEN
References cited14

Background The Clinical Outcomes in Routine Evaluation (CORE) system is widely used to assess psychological well-being and clinical symptoms across various settings, but most studies on its psychometric properties have focused on clinical populations and the 34-item version, leaving a gap in understanding the performance of shorter versions and its applicability in non-help-seeking samples. Objective This study investigates the acceptability, reliability, and score distributions of various forms within the CORE system among a non-help-seeking Spanish population. Methods Data from 1667 participants were analyzed, with a mean age of 37.16 years and a predominance of women (59.1%). The majority had higher education (53.1%), and over half were employed at the time of the study. Results Acceptability was high, with low item omission rates (<0.1%) across all forms during both initial and retest assessments. Internal consistency was strong, with Cronbach's alpha and McDonald's Omega exceeding 0.80 for all forms. Test-retest reliability showed correlations above 0.59 for all scores, with no significant differences between assessment intervals. Score distributions were compared by gender, age, and education, revealing significant differences between gender and education but not for age. Conclusion The study provides key reference data for the CORE system in Spain, supporting outcome comparisons in non-help-seeking samples. Despite an overrepresentation of highly educated individuals, it offers crucial insights into its psychometric properties and score distributions. The findings highlight potential applications of these distributions and underscore the need for further research into the psychometric performance of individual CORE forms

Consistency (knowledge bases) · Cronbach's alpha · Internal consistency · Population · Psychometrics · Reliability (semiconductor) · Cancer survivorship and care · Clinical Psychology · Computer Science · Demography · Psychological Well-being and Life Satisfaction · Psychology · Sleep and related disorders

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    Open Access•Chris Evans, Janice Connell et al.•The British Journal of Psychiatry•2002

  • Data Analysis

    Open Access•Hadley Wickham•Ggplot2•2016

  • Your Coefficient Alpha Is Probably Wrong, but Which Coefficient Omega Is Right? A Tutorial on Using R to Obtain Better Reliability Estimates

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    Neil S Jacobson, Paula Truax•Journal of Consulting and…•1991

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    Open Access•Lee J Cronbach•Psychometrika•1951

Citation velocityhistorical
Highly citedNo

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