Using the Systems Life Cycle: An Example A few years ago, Mark McMurtrey, PhD, a faculty member at the University of Central
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Arkansas, and a colleague were invited to serve as consultants for the selection of a home health software application in a medium-sized regional hospital. The 149-bed facility included an emergency department; a hospice; intensive care, obstetrics, pediatrics rehabilitation, and home units; an imaging center; primary care clinics; a health and fitness center; and a wound healing center. After completing this project, McMurtrey published a paper describing how the use of the systems life cycle provided the project with a systemic and structured process. He concluded the paper with the following statement: “While both researchers hold terminal degrees, each learned quite a bit from the application of principles taught in the classroom to the complexities surrounding real-world utilization of them.”19, p. 23
Unit 4 contains five chapters exploring the application of life-cycle–related principles to the complexities surrounding their real-world use in healthcare. With this background, the reader is prepared to participate actively and effectively in real-life use of the life cycle in healthcare.