Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses Page: 71
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because they use more than on mathematical operation. The original test, with permission to use,
was obtained from the original authors (Bayne & Bindler, 1984).
The BB medication calculation test has been used in several studies involving nurses and
nursing students (Ashby, 1997; Bayne & Bindler, 1988, 1991, 1997, Serembus, 2001). Nursing
students and nurses were evaluated regarding their skill in accurately calculating medication
doses. Content validity was verified by comparison with pharmacology and medical-surgical
textbooks and expert nurses (Ashby, 1997; Bayne, & Bindler, 1988, 1991, 1997; Serembus,
2001). Internal consistency was comparable between Bayne and Bindler's previous research
(1988, 1991), reliability 0.82 and Serembus (2001), using the Kuder-Richardson formula
calculated at 0.81. Bayne and Bindler (1997) used their medication calculation test again as a
pretest and posttest with a Cronbach alpha for the pretest of 0.72 and 0.74 for the posttest. The
Bayne and Bindler medication calculation test was used because it had documented validity and
reliability information. Even though the reliability coefficients are less than 0.80, they are
sufficient to work with and glean more data to improve on the test in the future. Many nursing
studies use teacher-made exams and document no validity and reliability information, but they
are similar in composition and structure with the current test (Cinar et al., 2006; Conti & Beare,
1988; Oldridge et al., 2004; Walsh, 2006; Wilson, 2003).
The IRB process was completed at UNT and accepted at hospital, approval received prior
to research (see Appendix B). The unit managers were sent an email requesting a number of
nurses per unit to distribute research packets. Arrangements were made for packet delivery, and
instructions were attached to the outside of envelope to return them via inner office mail
addressed to the Education Department of the hospital where they were given to the researcher.
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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/m1/79/: accessed February 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .