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Construct validity and reliability of the Single Checking Administration of Medications Scale

Authors

  • Beverly O'Connell RN MSc PhD FRCNA,

    Professor
    1. Deakin University—Melbourne Campus, School of Nursing and Midwifery, Faculty of Health, Burwood, Victoria, Australia
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  • Mary Hawkins BA (Hons) PhD,

    Research Analyst, Corresponding author
    • Deakin University—Melbourne Campus, School of Nursing and Midwifery, Faculty of Health, Burwood, Victoria, Australia
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  • Cherene Ockerby BA (Hons)

    Research Assistant
    1. Deakin University—Melbourne Campus, School of Nursing and Midwifery, Faculty of Health, Burwood, Victoria, Australia
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Correspondence: Mary Hawkins, Research Analyst, Deakin—Southern Health Nursing Research Centre, Level 2, I Block, Monash Medical Centre, 246 Clayton Rd, Clayton, VIC 3168, Australia. Email: hawkinsm@deakin.edu.au

Abstract

Research indicates that single checking of medications is as safe as double checking; however, many nurses are averse to independently checking medications. To assist with the introduction and use of single checking, a measure of nurses' attitudes, the thirteen-item Single Checking Administration of Medications Scale (SCAMS) was developed. We examined the psychometric properties of the SCAMS. Secondary analyses were conducted on data collected from 503 nurses across a large Australian health-care service. Analyses using exploratory and confirmatory factor analyses supported by structural equation modelling resulted in a valid twelve-item SCAMS containing two reliable subscales, the nine-item Attitudes towards single checking and three-item Advantages of single checking subscales. The SCAMS is recommended as a valid and reliable measure for monitoring nurses' attitudes to single checking prior to introducing single checking medications and after its implementation.

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