Abstract
Proportional reasoning is the basis for most medication calculation processes and is fundamental for high-quality care and patient safety. We designed a simulated Medication Mathematics (siMMath) environment to support proportional reasoning in transitioning via concreteness fading between two mediators. The first mediator is simulated nursing tools of medication preparation. The second is a ratio-table setup which is used as a goal representation, which enables one to spatially hold in place different quantities in their relative proportion. We conducted a two-part study with nursing students. Part 1 was a quasi-experimental pretest–intervention–posttest design assessing the effectiveness of learning, by evaluating four categories of medical calculation questionnaire items (solid medications, unit conversion, concentrations, infusion rates). We used the Noelting proportional reasoning test to evaluate the generalizability and abstraction of proportional reasoning. Part 1 included an experimental group (n = 96) learning with siMMath, and a comparison group (n = 73) learning with an equation-based lecture approach. Part 2 employed a case study design to characterize the learning process. The experimental group’s learning gains were significantly higher than the comparison group’s for the two most challenging categories of the medication calculation problems questionnaire, namely concentrations and infusion rates. Furthermore, the experimental group’s learning gains were significantly higher than the comparison group’s for formal operational reasoning on the Noelting test. Students who used a ratio-table setup scored significantly higher on the Noelting posttest questionnaire. Nursing students who learned with the siMMath environment overcame difficulties in proportional reasoning to the highest levels and extended this understanding to other contexts.
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Acknowledgements
We appreciate and thank Ms. Dalit Wilhelm, the head of the clinical unit at the Cheryl Spencer Department of Nursing, University of Haifa, for her major contributions to planning and enacting the research, as well as a source of support. We are especially grateful to the nursing students who voluntarily participated in our research and whose insights helped to improve siMMath environment.
This research was supported in part by the Cheryl Spencer Institute of Nursing Research, University of Haifa, and by the MEITAL Foundation, which assists Israeli institutions of higher education in advancing the use of e-learning technologies.
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Dubovi, I., Levy, S.T. & Dagan, E. Situated Simulation-Based Learning Environment to Improve Proportional Reasoning in Nursing Students. Int J of Sci and Math Educ 16, 1521–1539 (2018). https://doi.org/10.1007/s10763-017-9842-2
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DOI: https://doi.org/10.1007/s10763-017-9842-2