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Psychometric proper...
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Nilsson, Maria H.Lunds universitet
(författare)
Psychometric properties of the general self-efficacy scale in Parkinson's disease
- Artikel/kapitelEngelska2015
Förlag, utgivningsår, omfång ...
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Wiley-Blackwell,2015
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:hkr-13517
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urn:nbn:se:hkr:diva-13517urn
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https://doi.org/10.1111/ane.12368DOI
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https://lup.lub.lu.se/record/5039314URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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restricted
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OBJECTIVE: This study aimed to investigate the psychometric properties of the General Self-Efficacy Scale (GSE) in people with Parkinson's disease (PD). More specifically, we investigated data completeness, scaling assumptions, targeting, reliability, and construct validity.MATERIALS AND METHODS: This study involves data available from two different projects that included people diagnosed with PD for at least 1 year, yielding two samples (1 and 2). The combined total sample (N = 346; 60% men) had a mean (SD) age and PD duration of 71 (8.9) and 9 years (6.3), respectively. Both samples received a self-administered survey by mail, which was administered twice in sample 2. Additional data (e.g., clinical assessments) were available for Sample 1.RESULTS: Total GSE scores were computable for 336 participants (97%). Corrected item-total correlations exceeded 0.4. Principal component analyses identified one component (the eigenvalue of the first component extracted was 6.9), explaining 69% of the total variance. Floor and ceiling effects were < 6%. Internal consistency (coefficient alpha) was 0.95. Analyses of test-retest reliability yielded (ICC) values from 0.69 to 0.80. The highest value refers to those (n = 47) with identical self-ratings of mobility (in the on condition) at both tests; the standard error of measurement was 3.1 points. Construct validity was further supported by correlations in accordance with a priori expectations.CONCLUSIONS: This study provides support for the validity and reliability of GSE scores in people with PD; the GSE can thus serve as a valuable outcome measurement in clinical practice and research.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Hagell, PeterLund University,Lunds universitet,Högskolan Kristianstad,Forskningsmiljön PRO-CARE, Patient Reported Outcomes - Clinical Assessment Research and Education,Avdelningen för Hälsovetenskap I,Äldres hälsa och personcentrerad vård,Forskargrupper vid Lunds universitet,Older people's health and Person-Centred care,Lund University Research Groups(Swepub:hkr)hape
(författare)
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Iwarsson, SLunds universitet
(författare)
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Nilsson, Maria HLund University,Lunds universitet,Aktivt och hälsosamt åldrande,Forskargrupper vid Lunds universitet,Active and Healthy Ageing Research Group,Lund University Research Groups(Swepub:lu)sjuk-mni
(författare)
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Iwarsson, SusanneLund University,Lunds universitet,Aktivt och hälsosamt åldrande,Forskargrupper vid Lunds universitet,Active and Healthy Ageing Research Group,Lund University Research Groups(Swepub:lu)arb-siw
(författare)
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Lunds universitetForskningsmiljön PRO-CARE, Patient Reported Outcomes - Clinical Assessment Research and Education
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Acta Neurologica Scandinavica: Wiley-Blackwell132:2, s. 89-960001-63141600-0404
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