Reliability of the performance-based measure of executive functions in people with schizophrenia

Abstract Background The Performance-based measure of Executive Functions (PEF) with four domains is designed to assess executive functions in people with schizophrenia. The purpose of this study was to examine the test-retest reliability of the PEF administered by the same rater (intra-rater agreeme...

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Autores principales:	En-Chi Chiu, Ya-Chen Lee, Shu-Chun Lee, I-Ping Hsueh
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Executive functions Schizophrenia Occupational therapy Psychometric evaluation Reliability Psychiatry RC435-571
Acceso en línea:	https://doaj.org/article/6d842132438347e6a7756f3588529e9f
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spelling	oai:doaj.org-article:6d842132438347e6a7756f3588529e9f2021-11-14T12:08:40ZReliability of the performance-based measure of executive functions in people with schizophrenia10.1186/s12888-021-03562-y1471-244Xhttps://doaj.org/article/6d842132438347e6a7756f3588529e9f2021-11-01T00:00:00Zhttps://doi.org/10.1186/s12888-021-03562-yhttps://doaj.org/toc/1471-244XAbstract Background The Performance-based measure of Executive Functions (PEF) with four domains is designed to assess executive functions in people with schizophrenia. The purpose of this study was to examine the test-retest reliability of the PEF administered by the same rater (intra-rater agreement) and by different raters (inter-rater agreement) in people with schizophrenia and to estimate the values of minimal detectable change (MDC) and MDC%. Methods Two convenience samples (each sample, n = 60) with schizophrenia were conducted two assessments (two weeks apart). The intraclass correlation coefficient (ICC) was analyzed to examine intra-rater and inter-rater agreements of the test-retest reliability of the PEF. The MDC was calculated through standard error of measurement. Results For the intra-rater agreement study, the ICC values of the four domains were 0.88–0.92. The MDC (MDC%) of the four domains (volition, planning, purposive action, and perfromance effective) were 13.0 (13.0%), 12.2 (16.4%), 16.2 (16.2%), and 16.3 (18.8%), respectively. For the inter-rater agreement study, the ICC values of the four domains were 0.82–0.89. The MDC (MDC%) were 15.8 (15.8%), 17.4 (20.0%), 20.9 (20.9%), and 18.6 (18.6%) for the volition, planning, purposive action, and performance effective domains, respectively. Conclusions The PEF has good test-retest reliability, including intra-rater and inter-rater agreements, for people with schizophrenia. Clinicians and researchers can use the MDC values to verify whether an individual with schizophrenia shows any real change (improvement or deterioration) between repeated PEF assessments by the same or different raters.En-Chi ChiuYa-Chen LeeShu-Chun LeeI-Ping HsuehBMCarticleExecutive functionsSchizophreniaOccupational therapyPsychometric evaluationReliabilityPsychiatryRC435-571ENBMC Psychiatry, Vol 21, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Executive functions Schizophrenia Occupational therapy Psychometric evaluation Reliability Psychiatry RC435-571
spellingShingle	Executive functions Schizophrenia Occupational therapy Psychometric evaluation Reliability Psychiatry RC435-571 En-Chi Chiu Ya-Chen Lee Shu-Chun Lee I-Ping Hsueh Reliability of the performance-based measure of executive functions in people with schizophrenia
description	Abstract Background The Performance-based measure of Executive Functions (PEF) with four domains is designed to assess executive functions in people with schizophrenia. The purpose of this study was to examine the test-retest reliability of the PEF administered by the same rater (intra-rater agreement) and by different raters (inter-rater agreement) in people with schizophrenia and to estimate the values of minimal detectable change (MDC) and MDC%. Methods Two convenience samples (each sample, n = 60) with schizophrenia were conducted two assessments (two weeks apart). The intraclass correlation coefficient (ICC) was analyzed to examine intra-rater and inter-rater agreements of the test-retest reliability of the PEF. The MDC was calculated through standard error of measurement. Results For the intra-rater agreement study, the ICC values of the four domains were 0.88–0.92. The MDC (MDC%) of the four domains (volition, planning, purposive action, and perfromance effective) were 13.0 (13.0%), 12.2 (16.4%), 16.2 (16.2%), and 16.3 (18.8%), respectively. For the inter-rater agreement study, the ICC values of the four domains were 0.82–0.89. The MDC (MDC%) were 15.8 (15.8%), 17.4 (20.0%), 20.9 (20.9%), and 18.6 (18.6%) for the volition, planning, purposive action, and performance effective domains, respectively. Conclusions The PEF has good test-retest reliability, including intra-rater and inter-rater agreements, for people with schizophrenia. Clinicians and researchers can use the MDC values to verify whether an individual with schizophrenia shows any real change (improvement or deterioration) between repeated PEF assessments by the same or different raters.
format	article
author	En-Chi Chiu Ya-Chen Lee Shu-Chun Lee I-Ping Hsueh
author_facet	En-Chi Chiu Ya-Chen Lee Shu-Chun Lee I-Ping Hsueh
author_sort	En-Chi Chiu
title	Reliability of the performance-based measure of executive functions in people with schizophrenia
title_short	Reliability of the performance-based measure of executive functions in people with schizophrenia
title_full	Reliability of the performance-based measure of executive functions in people with schizophrenia
title_fullStr	Reliability of the performance-based measure of executive functions in people with schizophrenia
title_full_unstemmed	Reliability of the performance-based measure of executive functions in people with schizophrenia
title_sort	reliability of the performance-based measure of executive functions in people with schizophrenia
publisher	BMC
publishDate	2021
url	https://doaj.org/article/6d842132438347e6a7756f3588529e9f
work_keys_str_mv	AT enchichiu reliabilityoftheperformancebasedmeasureofexecutivefunctionsinpeoplewithschizophrenia AT yachenlee reliabilityoftheperformancebasedmeasureofexecutivefunctionsinpeoplewithschizophrenia AT shuchunlee reliabilityoftheperformancebasedmeasureofexecutivefunctionsinpeoplewithschizophrenia AT ipinghsueh reliabilityoftheperformancebasedmeasureofexecutivefunctionsinpeoplewithschizophrenia
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Reliability of the performance-based measure of executive functions in people with schizophrenia

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