Mathematics Anxiety and Mathematics Self-efficacy in Relation to Medication Calculation Performance in Nurses Page: 76
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statistics are described, R, R2, structure coefficient, 3, p, commonality coefficients. "The
structure coefficient is a bivariate correlation between a predictor and the predicted criterion
resulting from the regression model" (Nimon & Reio, 2011). The structure coefficient squared is
equivalent to the percent of variance explained by each variable (Nimon, 2010). The
relationships between these regression statistics are described and a variance table provided in
the Results section. Commonality analysis, using a script file (Nimon, 2010,
http://profnimon.com/commonality.sbs) developed for use with the SPSS software was
conducted to analyze the variance between the tests and calculation performance and determine
whether the instruments and type of nurse have common or unique properties to explain the
performance scores on the medication calculation test. A variable's uniqueness is identified by
the unique commonality coefficient and the variables common effects with two or more variables
are identified with the common coefficient (Nimon, 2010). If the coefficient has a mixture of
many of the variables to equal the total variance then the instrument is not as specific in the
concept it is trying to measure. The calculations of variances explain probable relationships
between math anxiety, nurse self-efficacy related to math, and the type of nurse relating to the
performance of medication calculations.
The population of Texas nurses was sampled from a local acute care hospital. The
subjects gave informed consent by filling out the instruments. Anonymity was protected,
managers did not handle the completed forms, and the researcher did not compile the raw data. A
pilot study was conducted, and the process and questionnaire edited. After the pilot study,
revisions were made and the final research process was conducted. This chapter has a complete
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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/m1/84/: accessed February 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .