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Value of performing a Rasch analysis on a reliable and valid instrument: Case study of the SA-SH
Jönköping University, School of Health and Welfare, The Jönköping Academy for Improvement of Health and Welfare. Jönköping University, School of Health and Welfare, HHJ. IMPROVE (Improvement, innovation, and leadership in health and welfare).ORCID iD: 0000-0002-7669-4702
Jönköping University, School of Health and Welfare, HHJ. SALVE (Social challenges, Actors, Living conditions, reseach VEnue). Futurum, Academy for Health and Care, Jönköping County Council, Jönköping, Sweden.ORCID iD: 0000-0001-6804-9490
2020 (English)In: Journal of Nursing Measurement, ISSN 1061-3749, E-ISSN 1945-7049, Vol. 28, no 2, p. 322-342Article in journal (Refereed) Published
Abstract [en]

Background and Purpose

The aim of this study was to explore the potential added value of performing a Rasch analysis on a reliable and valid instrument employed in nursing research and educational interventions, using the Students' Attitudes toward Sexual Health (SA-SH) as an example.

Methods

This study was performed with a polytomous Rasch model.

Results

The Rasch analysis confirmed the reliability and validity of the SA-SH. Rasch analysis presented information about the item's individual response options and gave the opportunity to judge how well different answers alternated in an item. The Rasch analysis also provided information about the proportion of extremes and the possibility of excluding these.

Conclusions

The Rasch analysis provides added value regarding information that needs to be considered regarding choices of questionnaire literacy compared to item fit. The SA-SH is also valid and reliable when tested with Rasch analysis.

Place, publisher, year, edition, pages
Springer Publishing Company, 2020. Vol. 28, no 2, p. 322-342
Keywords [en]
Nursing; Psychometrics; Rasch analysis; Sexual health; Validity
National Category
Health Care Service and Management, Health Policy and Services and Health Economy
Identifiers
URN: urn:nbn:se:hj:diva-42667DOI: 10.1891/JNM-D-18-00106ISI: 000562968800011PubMedID: 32447312Scopus ID: 2-s2.0-85089681402OAI: oai:DiVA.org:hj-42667DiVA, id: diva2:1279841
Available from: 2019-01-17 Created: 2019-01-17 Last updated: 2021-06-03Bibliographically approved

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Areskoug Josefsson, KristinaRolander, Bo

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The Jönköping Academy for Improvement of Health and WelfareHHJ. IMPROVE (Improvement, innovation, and leadership in health and welfare)HHJ. SALVE (Social challenges, Actors, Living conditions, reseach VEnue)
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Journal of Nursing Measurement
Health Care Service and Management, Health Policy and Services and Health Economy

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