Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses Page: 82
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The scores on the medication test ranged from 11(55%) to 20(100%) with a mean of
16.54(83%) points (see Table 9). Only 9.5% of the nurses earned a perfect score of 20(100%),
and 18% of the nurses had scores less than 75%. All questions had at least one person answer
them incorrectly. A simple question calculating 21/2 tablets was missed by one nurse. The item
most missed (67% of nurses answered it incorrectly) was a complex question calculating a
dopamine drip in micrograms per kilogram per minute. The question calculating a dose of
Heparin was answered correctly by 70.6% of the nurses. Another question calculating a simple
drip factor was answered correctly by 67% of the nurses.
Bayne-Bindler Medication Calculation Test Score Frequencies
Score Frequency Percent Score percent
11 4 4.8% 60%
13 6 7.1% 65%
14 5 6.0% 70%
15 12 14.3% 75%
16 13 15.5% 80%
17 11 13.1% 85%
18 13 15.5% 90%
19 12 14.3% 95%
20 8 9.5% 100%
Instrument Reliability and Validity
The instruments were compiled into two versions, with the scales and medication test in
different order. One version had the BB test first, and the other had the MAS and NSE-math first
(both versions had demographics last). In the analysis there were no significant differences in the
two versions compared to other variables (see Tables 8 and 9). Thus, the different versions were
not discussed in the final analysis.
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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/m1/90/: accessed February 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .