Keith W. Weeks

Safety in numbers 3: Authenticity, Building knowledge & skills and Competency development & assessment: The ABC of safe medication dosage calculation problem-solving pedagogy

When designing learning and assessment environments it is essential to articulate the underpinning education philosophy, theory, model and learning style support mechanisms that inform their structure and content. We elaborate on original PhD research that articulates the design rationale of authentic medication dosage calculation problem-solving (MDC-PS) learning and diagnostic assessment environments. These environments embody the principles of authenticity, building knowledge and skills and competency assessment and are designed to support development of competence and bridging of the theory-practice gap. Authentic learning and diagnostic assessment environments capture the features and expert practices that are located in real world practice cultures and recreate them in authentic virtual clinical environments. We explore how this provides students with a safe virtual authentic environment to actively experience, practice and undertake MDC-PS learning and assessment activities. We argue that this is integral to the construction and diagnostic assessment of schemata validity (mental constructions and frameworks that are an individuals internal representation of their world), bridging of the theory-practice gap and cognitive and functional competence development. We illustrate these principles through the underpinning pedagogical design of two online virtual authentic learning and diagnostic assessment environments (safeMedicate and eDose™).

Safety in numbers 1: Essential numerical and scientific principles underpinning medication dose calculation

Registered nurses spend up to 40% of their professional clinical practice engaged in the art and science of medication dosage calculation problem-solving (MDC-PS). In advancing this patient safety critical discipline it is our position that as a profession we must first situate MDC-PS within the context of the wider features of the nursing numeracy, medicines management and clinical pharmacokinetic domains that inform its practice. This paper focuses on the essential relationship between numeracy, healthcare numeracy, medicines management, pharmacokinetics and MDC-PS. We present a taxonomy of generic numerical competencies for the pre-registration curriculum, with examples of essential medication dosage calculation requirements mapped to each skills domain. This is followed by a review of the symbols and measurement units that represent essential components of calculation competence in healthcare and medicines management practice. Finally we outline the fundamental pharmacokinetic knowledge that explains how the body deals with medication and we illustrate through clinical correlations why numeric and scientific knowledge and skills must be mastered to ensure safe dosage calculation and medicines management practice. The findings inform nurse education practice via advancing our understanding of a number of issues, including a unified taxonomy of generic numerical competencies mapped to the 42 revised UK Nursing and Midwifery Council (NMC) Essential Skills Clusters (NMC, 2010a; NMC, 2010b).

Developing nursing competence: Future proofing nurses for the changing practice requirements of 21st century healthcare

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