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. 2024 Jan 9;10(2):e24114.
doi: 10.1016/j.heliyon.2024.e24114. eCollection 2024 Jan 30.

Revisiting the psychometric properties of the McArthur admission experience survey: Validating the Portuguese version using a bifactor approach

Deborah Oyine Aluh  1   2   3 , Sofia Azeredo-Lopes  2   4 , Barbara Pedrosa  1   2 , Manuela Silva  1   2 , Ugnė Grigaitė  1   2 , Ana Rita Martins  5 , Maria Ferreira de Almeida Mousinho  6 , Graça Cardoso  1   2 , José Miguel Caldas-de-Almeida  1   2
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Revisiting the psychometric properties of the McArthur admission experience survey: Validating the Portuguese version using a bifactor approach

Deborah Oyine Aluh et al. Heliyon. .

Abstract

Cultural factors play a significant role in shaping the perception of coercion during psychiatric admissions. The present study aimed to assess the psychometric properties of the Portuguese Admission Experience Survey(P-AES). The study employed a cross-sectional approach in five psychiatric departments in three regions of Portugal. A total of 208 patients participated in the survey. Reliability was assessed through internal consistency and test-retest procedures. Internal validity was analyzed using a two-parameter logistic item response model, exploring three models, including a bifactor model. Convergent validity was determined by correlating AES scores with the Coercion Ladder (CL), Client Assessment of Satisfaction (CAT), and Global Assessment of Functioning (GAF) scale. Discriminatory power was assessed by comparing scores between patients with voluntary and involuntary admission status. The P-AES demonstrated satisfactory internal consistency and test-retest reliability. The bifactor model exhibited superior fit compared to the one-factor and three-factor models. Correlations between P-AES and CL, as well as CAT scores, indicated good convergent validity. Additionally, P-AES scores were notably higher in patients with compulsory psychiatric hospital admission compared to those admitted voluntarily, confirming its discriminatory power. The bifactor model suggests that all three domains of the AES should be used to measure the subjective experience of coercion.

Keywords: Bifactor model; McArthur admission experience survey; Perceived coercion; Portuguese; Psychometric; Validation.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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