A researcher is studying whether music therapy is effective in decreasing anxiety among adolescent pre-operative patients. Adolescents will be randomized to a group that listens to music before surgery or a group that receives standard care (no music offered). Right before they are taken to the OR, patients are asked to fill out a ANX scale that measures anxiety. In this example, what is the independent variable?

A researcher is studying the effectiveness of a job training program with unemployed homeless women. She provides the job training program to a group of unemployed homeless women and then determines their employment status 3 months, 6 months, 1 year, 3 years, 5 years, and 10 years after the training is complete. The threat to internal validity that she should be most concerned about is:

List 4 groups that are considered vulnerable populations in research:.

A researcher plans to study whether alcohol consumption is associated with proteinuria in patients with chronic diseases. Which study design is most appropriate?

A researcher is studying the effect of diabetes education on patients’ HbA1c. After the patients complete the diabetes education, the investigator brings them into a room with a buffet of lunch options. The patients socialize and eat lunch. While they are eating, the investigator watches the food choices that the patients make and notes their choices on a food checklist. This type of data collection is called:

A patient told her nurse that she heard that wearing a cooling cap could prevent hair loss resulting from chemotherapy infusions. The nurse decided to search the literature to see if there was evidence supporting the practice among patients receiving chemotherapy infusions. What type of EBP question is this an example of?

The primary role of the Institutional Review Board (IRB) is to:

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?