Which of the following are NOT included when making an Evidence-based practice decision?

Which of the following is NOT an example of pre-appraised evidence?

A researcher plans to study the relationship between subjects’ baseline cortisol level and their stress level during public speaking. She is concerned that there is a difference in baseline cortisol levels of vegetarians as compared to subjects who eat meat. To reduce the possible effect of diet, she decides not to enroll vegetarians in her study. This is an example of which technique used to control for potential extraneous variables?

A researcher is studying whether there is a decrease in central line associated blood stream infection (CLABSI) rates among medical ICU patients when hubs are scrubbed with chlorhexidine instead of alcohol. In, this example, what is the independent variable?

Which of the following is an example of a nondirectional research hypothesis?

A researcher is studying the effect of diabetes education on patients’ HbA1c. To get a baseline value, the researcher conducts a retrospective review and collects all HbA1cs in the patients’ medical records during the past 2 years. This type of data collection is called:

QUESTION 2 FRACTION AND DECIMALS  

HERE IS A ESSAY QUESTION IF YOU NEED IT.

 Please use the PDF page provided to complete these questions.   3.1 Look at the y-axis and x-axis grid. 3.1.1 What are the coordinates of point A?  ([ans1],[ans2]) (2) 3.1.2 Plot the points B (2,1) and C (6,1) on the grid. (2) 3.1.3 On the graph, join up the points to make a triangle. (1)   3.2 Translate triangle S, 2 left and 3 down.  Label your Triangle T in the Kami tab.     (2)     3.3 Eva translates shape A, 3 right, and 1 up.  She labels her new shape B.         4.3.1 Explain why Eva is wrong.    [ans3] (2) 4.3.2 Re-plot the square on the Kami tab. (1) 4.3.2 What are the coordinates of the correctly translated shape?     Type the coordinates on the re-plotted square. (4)  

HERE IS AN EXTRA UPLOAD QUESTION IF YOU NEEDED.