HTHSCI 2S03 Lecture Notes - Lecture 1: Catheter, Null Hypothesis
3 May 2016
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Directions: refer to study in appendix c of the loiselle-profetto and mcgrath (2011) textbook which begins p. 451. The population is adults with long term indwelling catheters: identify the sample. Is it a probability or nonprobability sample? adults with catheters living in the community requiring supportive or continuing care that required changing every 3 weeks or less. Independent variable is the use of catheter washouts to prevent catheter blockage. Health sciences 2so3: introduction to statistics for nursing. Winter 2015: what is/are the dependent variable(s)? the mean time for first catheter change p-adults in community with indwelling catheter i-type of catheter washout with saline and contisol c-standard care o-time to catheter change. Answer the following questions considering the primary outcome of the study: write a null hypothesis. There is no difference in time of catheter change and the type of catheter washout used: write a non-directional alternative hypothesis.
