Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses Page: 67
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second instrument, Nurse Self-Efficacy for math (NSE-math), is a 12-item tool describing a
nurse's confidence in accomplishing mathematic and arithmetic tasks related to medication
calculations common math problems (Andrew et al., 2009). The third instrument is the Bayne-
Bindler Medication Calculation Test (BB), a 20-item fill-in-the-blank medication calculation
test, which was used to measure medication calculation performance (Bayne & Bindler, 1984).
Table 4 lists the measurement tools, number of items, ranges of possible scores, and the scale
Measurement Tools, Ranges of Possible Scores, Scales and Reliability Coefficients
Measurement Number Range of Scale Cronbach a
tools of items possible
MAS 14 14-70 1-5 scale, beginning with strongly .92
disagree to strongly agree
NSE-math 12 12-120 1-10 scale, beginning with no .83
confidence at all to complete confidence
BB 20 0-20 One point per item answered correct .64
MAS=Mathematics Anxiety Scale; NSE-Math=Nurse Self-Efficacy for Mathematics;
BB=Bayne Bindler Medication Calculation Test
Instrument data was analyzed using SPSS version 19.0. Reliability coefficients for each
measure are math anxiety (MAS) Cronbach alpha .92, nurse self-efficacy for math (NSE-math)
Cronbach alpha .83, and the Bayne-Bindler (BB) medication calculation test Cronbach alpha .64.
The three tools were compiled into a packet for distribution. The forms were converted
into scannable forms, and two versions of the instruments were compiled. One version was
compiled with the BB test first, followed by the questionnaires and the demographics last
(Sample in Appendix). The second version had the questionnaires first, followed by the BB test
and the demographics last (Sample in Appendix). The front of the packet had a cover letter with
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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/m1/75/: accessed February 28, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .