The Pearson correlation measures the degree of linear relationship between two variables. Which correlation coefficient describes the strongest similarity between two variables?

A researcher is interested in studying the effectiveness of a computerized learning program for children with Type 1 diabetes that addresses self-injection methods. The computerized learning program incorporates completion of an interactive learning module, followed by completion of a 5-item quiz. The nurse-researcher plans to compare learning of those who implemented the computerized learning program with those who were exposed to the non-computerized teaching method currently used at the clinic. Which research question best reflects the study's variables?

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?

The nurse leader on the risk management committee notices an alarming increase in medication errors on a quarterly report. Which is the first step in initiating a quality improvement project?

A nurse is conducting a study of client attitudes and feelings about registering for outpatient day surgery via the Internet. Interviews of clients using a questionnaire will be conducted and the responses will be analyzed. The nurse plans to use a codebook in conducting this research study using a quantitative design. Which statement accurately describes the purpose of the codebook for this study?

The nurse-manager decides to research the extent of medication errors on an inpatient unit. The manager chose every tenth medical record from the total number of client records of those admitted to the unit during a six month period of time. What sampling method was employed by the nurse-manager?

A nurse who works for a hospice wishes to research the concept of sadness. Which type of research is most useful in providing the nurse with an understanding of how this emotion impacts the client as a whole?

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?

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

The nurse-researcher is preparing to obtain informed consent from volunteers who wish to participate in a study of nutrition and eating behaviors. The population of interest is adolescent girls aged 13 to 17 years of age who have been hospitalized repeatedly for eating disorders. Which informed consent procedure is most likely to allow the researcher to obtain the maximum number of subjects in an ethical and legal manner?

Which statement indicates that a researcher has a heightened sensitivity to the protection of rights of vulnerable subjects in a study?