What is the name of this research design?

What is the name of this research design?

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Julia works in a general medical ward where the majority of patients have intravenous infusions. She is concerned about the incidence of phlebitis around the cannulation site and wonders whether it is related to the type of dressing used to secure the cannula._x000D_

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1. a) Generate a null hypothesis and an alternate (non-directional) hypothesis for Julia’s study

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Alternate:_x000D_
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Julia and her team commence a study to test this hypothesis. For the first 6 months of the study, all enrolled patients have their IV cannulae managed with the standard dressing.For the next six months, all enrolled patients have their cannulae managed with the new dressing._x000D_

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1. b) What is the name of this research design? What level of evidence (according to the JBI hierarchy) will it generate?

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1. c) What design could be used to provide a higher level of evidence? Why is this second design considered superior?

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1. d) Give three (3) reasons why Julia’s team might have chosen the first design over the second

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1. e) For this study, identify

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2. i) the independent variable

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3. ii) the dependent variable

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4. f) How will Julia’s team examine the association between the independent and dependent variables?

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5. g) What statistical test would be appropriate to test the hypothesis?_x000D_
   

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6. h) The test is performed and the result generated is p=0.004. Interpret the p-value. _x000D_
   

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1. i) What decision would you expect the researchers to make with respect to the null hypothesis?

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