A nurse who works in a gerontology clinic is asked to examine the effectiveness of Vitamin D in improving bone mineral density among older clients. The nurse evaluates four recent studies on the topic.
Which study provides the best evidence to support the use of vitamin D?

Which characteristic of a research statement is missing in this statement? "A study was conducted to evaluate whether short-term, cultural immersion, clinical experiences could effect change in cultural sensitivity and cultural self-efficacy.".

Which study design allows for manipulation of independent and dependent variables?

A nurse case manager at a children's hospital is working with the infectious disease department to determine if admissions of children with gastrointestinal parasitic illnesses increased in the month following a major flood in the area.
Which research approach would be best for the case manager to use in this situation?

In which part of the research report should this statement be placed? "Organizational attributes associated with a professional nursing practice environment have been defined within magnet hospital studies and have been found to be highly valued by U.S. nurses across a variety of hospital settings and geographic locations.".

A convenience sample was used to study nurses' experience with workplace violence.
Findings indicated that nurses and those who received peer support were more likely to report incidences of workplace violence than nurses who feared reprisal for reporting incidents of workplace violence. Based on this study, what action is best for a nurse manager to take who works at a different hospital?

A nurse-manager wants to determine if clients discharged in warmer months from a postoperative orthopedic unit are more likely to adhere to a daily exercise regimen than those discharged during colder months. The nurse wants clients to have an equal chance of participating in the study, and plans to access the hospital's client database to identify those discharged from the orthopedic unit after joint replacement surgery during the past 12 months.
What type of sampling method should the researcher choose to best answer the study question?

In a study of hypertension among elementary school students, the systolic and diastolic blood pressure of each child in one school was measured one time at the end of a school year.
This is an example of which study design?

The number of subjects in a study increased between the time the study was begun and the date the researcher concluded the data collection.
Which is the most likely research design for this study?

The nurse-researcher wants to evaluate the effectiveness of guided imagery in reducing stress prior to starting an IV. In the research proposal, several studies are reported in the review of the literature section about the use of biofeedback to reduce anxiety prior to invasive procedures.
Which significance level and sample size provide the greatest support for the findings reported?

The nurse is comparing the effectiveness of two smoking cessation programs, Program A and Program B, which were designed for adolescent clients who reported smoking for one year or longer.

Adolescents in three high schools in the American southeast were randomly assigned to one of the two study programs.

Significantly more adolescents stopped smoking after completing Program A than those who completed Program B, and the effect size was 0.8. Based on these findings, which action should the community health nurse take?