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UNIVERSITY OF SANTO TOMAS The Graduate School Research Methodology (RES_CAL) Thesis Proposal Conceptual Hypotheses: H1: Day shift nurses have a significant effect on the rate of medication errors. H2: Night shift nurses cause higher frequency of medication errors. H3: Graveyard shift nurses greatly increase the incidence of medication errors. H4: The amount of sleep affect directly day shift nurses. H5: The amount of sleep significantly influences night shift nurses. H6: The amount of sleep is affecting graveyard shift nurses. H7: The amount of sleep is inversely directed to the occurrence of medication errors. Theoretical Framework: The framework for this research is based Donabedian‟s Model of Quality Health Care, in which he categorized medical care in terms of structure, process, and outcome in order to determine indicators of quality (Aday, Begley, Lairson, & Balkrishnan, 2004; Donabedian, 1980).
In this study, structure shows two characteristics of nurses, namely, work shifts, and amount of sleep, contributing to his/her
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