Randomized controlled trials are which type of research?

Which of the following is a type of quantitative research study?

What type of study is described in the following excerpt?

Surveys to evaluate nurse satisfaction, medical errors, depression and anxiety, and demographics were given to 5,432 nurses from hospitals of various sizes and geographic locations; some had nurses working 8-hour shifts and 12-hour shifts. Nurses were asked to complete the survey. Upon completion of the survey, nurses were invited to participate in video conference focus groups and one-on-one interviews with a research assistant by video conferencing. Survey results were reported using descriptive statistics, and themes were identified and reported from the data collected in the focus groups and one-on-one interviews.

You are forming a team to do a systematic review of the literature about interventions to treat post-traumatic stress disorder (PTSD). Which of the following would be your first step?

In a systematic review with a meta-analysis, researchers combine the results of each of the individual studies to create a larger sample size (and therefore greater power), then re-run the statistics to capture the true magnitude of the effect. The single-effect measure calculated and reported when the results from all the studies are combined is called what?

What kind of study is described in the following excerpt?

Researchers are interested in studying the impact of living in a family where a child has been diagnosed with cancer. They collaborate with the oncology department at a large children’s hospital to identify and receive consent from families that have a child with a cancer diagnosis. Participants are consented and data is collected and triangulated using one-on-one interviews, focus groups, and surveys. Data is analyzed for thematic analysis.

What type of study is described in the following excerpt?

An interprofessional team wants to test a new intervention to see whether it will improve central-line associated bloodstream infection (CLABSI) rates. Subjects were randomized into either the intervention or the control group by pulling a slip of paper with either a one or a two written on it from a manila envelope (those pulling ones were randomized to the intervention group; those pulling twos were randomized to the control group). When the study began, the intervention group received the intervention and the control group received equal attention. Data was collected and analyzed using the Statistical Package for the Social Sciences (SPSS). Descriptive statistics were used to report the data.

What type of research article is this?

Mixed-methods studies are a combination of which two methodologies?

What type of literature may a systematic review include to be considered Level 1 evidence on the Melnyk & Fineout-Overholt levels of evidence hierarchy?

When trying to determine what type of research study is described in an article, which two sections of the article will give you the best information to make that determination?