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01.12.2014 | Research article | Ausgabe 1/2014 Open Access

BMC Geriatrics 1/2014

Internal consistency and construct validity assessment of a revised Facts on Aging Quizfor Flemish nursing students: an exploratory study

Zeitschrift:
BMC Geriatrics > Ausgabe 1/2014
Autoren:
Elisa Van der Elst, Mieke Deschodt, Melanie Welsch, Koen Milisen, Bernadette Dierckx de Casterlé
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1471-2318-14-128) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

Mieke Deschodt (MD), Melanie Welsch (MW), Koen Milisen (KM), and Bernadette Dierckx de Casterlé (BDdC) substantially contributed to the conception and design of the study. MD and MW were responsible for the acquisition of the data. Elisa Van der Elst (EVdE), MD, MW, KM and BDdC performed analyses and interpreted the data. EVdE, MD, KM and BDdC drafted and critically revised the manuscript for important intellectual content. Supervision was done by KM and BDdC. All authors approved the final version of this manuscript prior to being submitted.

Abstract

Background

Since more people are reaching older and older ages, healthcare systems are becoming in need of more and more knowledgeable nurses to meet the specific health care needs of older persons. Several instruments exist to measure and evaluate students’ knowledge of older persons, ageing, and gerontological care; however, unequivocal evidence on their use and psychometric properties is scarce. The aim of the study was to validate a revised version of Palmore’s Facts on Aging Quiz (FAQ).

Methods

A cross-sectional, exploratory study was conducted. Palmore’s FAQ version 1 and Facts on Aging Mental Health Quiz were used as bases for the development of a revised FAQ instrument. Three researchers translated these instruments into Dutch. A panel of nine experts in geriatric research and gerontological care evaluated the translation and the face and content validity of the instrument. We used a cross-sectional, exploratory design to assess its internal consistency and construct validity. Cronbach’s alpha coefficients, exploratory factor analysis, and the known-groups technique were used for these analyses.

Results

Based on the experts’ consensus, a revised version of the FAQ, consisting of 36 items, was produced. Exploratory factor analysis did not reveal underlying constructs suggesting that the revised version encloses a more general concept of knowledge (e.g. about older persons, aging, gerontological care). Using the known-groups technique, we validated the instrument, showing that it discriminates between the knowledge of first- and third-year nursing students. The overall Cronbach’s coefficient of 0.723 was acceptable and changed minimally (from 0.708 to 0.724) when items were removed.

Conclusion

We conclude that the revised version of the FAQ can be used to properly evaluate nursing students’ knowledge about older persons and gerontological care, as reasonable reliability and validity were established for this revised version of the FAQ.
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