Transcription of Unit 3
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Unit 3
unit 3 Answeringthe ResearchQuestion:QuantitativeDesignsbroc kopp06 7/30/02 11:39 AM Page 191192 Intentional Blankbrockopp06 7/30/02 11:39 AM Page 1926 MeasurementGoals Analyze the levels of measurement. Describe the key concepts related tomeasurement. Describe knowledge necessary to evaluate adequately the use goal of research is to provide accurate answers toquestions of interest. Questions of interest within nurs-ing are developed from nursing concepts, namely, thosethoughts, notions, or ideas that relate to nursing or nursingpractice. Nursing concepts are then translated into observablefacts or events. Translating a nursing concept into an observ-able fact or event permits the investigator to measure theevent(s) of interest. The key word in relation to measurementis accuracy. The selection of a method of sampling influencesthe degree to which findings can be generalized; the measure-ment process influences the degree of accuracy of the results.
Measuring Variables 195 Age x Blood pressure reading Control ain FIGURE 6.1 Variables related to nursing on the particular research question, the sample under study, the availability of instruments, and the general feasibility of
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