Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses Page: 74
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Analysis
Chapter 4 includes the final analysis using multiple linear regression statistics and SPSS
19.0. For all inferential testing in this study, an a priori level of significance of 0.05 was used,
with a moderate effect size (0.3) and statistical power of 0.8 expected. "A significance criterion
(a level) which should be specified a priori" (Erdfelder, 2010, p. 1).
Research Question 1. To what degree are the perceptions of mathematics anxiety and
perceptions of nurse self-efficacy for mathematics related to performance on a
medication calculation test by nurses.
The independent variables are mathematics anxiety, nurse self-efficacy for mathematics,
and the dependent variable is medication calculation performance.
Research Question 2. To what degree is there a relationship between the type of nurse
and the perceptions of mathematics anxiety or perceptions of nurse self-efficacy for
mathematics, to performance on a medication calculation test.
The independent variables are type of nurse, mathematics anxiety, and nurse self-efficacy
for mathematics, and the dependent variable is the medication calculation test.
All variables were examined for missing data prior to conducting any analysis. The
missing data were coded using the neutral score (3) for the MAS item missing, the "some
confidence" score (5) for any NSE-math items missing, and a zero (0) for a BB item not
answered.
Study data were analyzed using SPSS version 19.0. Descriptive statistics were calculated
and basic percentages of demographics and basic characteristics of the sample described. The
scores, for each participant, from the instruments were tabulated in a SPSS data set.
For all inferential testing in this study, an a priori level of significance of 0.05 was used, a
moderate effect size (0.3) and statistical power of 0.8 was expected. "A significance criterion (a
level) which should be specified a priori" (Erdfelder, 2010, p. 1).74
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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. (https://digital.library.unt.edu/ark:/67531/metadc115119/m1/82/?rotate=90: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .