Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses Page: 70
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consistency for the entire combined scale was 0.88; for the factor confidence in application of
mathematic concepts to nursing practice, 0.90, and for the factor confidence in arithmetic
The NSE-math is a math-self efficacy scale designed following the suggestions of
Bandura (1986) (as cited in Lee, 2010). "Bandura (1986) cautioned that a self-efficacy
instrument must assess the specific skills needed for performing an activity and must be
administered during the time that the performance is being assessed" (as cited in Lee, 2010, para.
4). Self-efficacy needs to be contextually related specifically to the skills performed (Nielsen &
Moore, 2003). Since self-efficacy describes the self-evaluation of one's personal ability to
perform a skill, the reliability of the measure will be improved with context specificity.
Bayne-Bindler Medication Calculation Test
The BB is a 20-item, fill-in-the-blank medication calculation test (Bayne & Bindler,
1984) and has been modified for current abbreviations, metric measurements and current
practice. The participants were allowed to use a calculator if they desired because calculators are
readily available to nurses. Minimum score is 1, and maximum score is 20. Seven items are
calculations for oral doses (Items 1, 2, 3, 5, 7, 8, 9); five items are calculations for intramuscular
or subcutaneous injections (Items 6, 10, 12, 13, 14); and eight items are calculations related to
intravenous medications or flow rates (Items 4, 11, 15, 16, 17, 18, 19, 20). These medication
calculations are commonly used in the acute care hospital environment. The questions include
basic mathematics problems involving the number of tablets of a medication or fractions thereof,
conversions from pounds to kilograms, and simple volume calculations used to calculate
injections. Several problems are more complex and involve calculation of intravenous (IV) drip
rates, IV infusion calculations, and weight-based dosing. The problems are more complex
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Melius, Joyce. Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses, dissertation, May 2012; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc115119/m1/78/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .