Evidence-Based Practice for Nurses

CHAPTER OBJECTIVES KEY TERMS At the end of this chapter, you will be able to: ‹ Explain the three essential components of experi ...

At the end of this section, you will be able to: ‹ Explain the three essential components of experimental designs ‹ Identify maj ...

be a minimum of two groups. To be considered a true experimental design, three features must be present: randomization, control, ...

rigidly defined protocol for implementation; and (6) all subjects in both groups are measured on the dependent variable (DV) usi ...

Patients in a diabetic clinic are randomly assigned to either the computerized learning module group or the standard of care gro ...

groups of subjects receive the usual standard of care or a placebo. One experi- mental group and one control group are measured ...

self-care behaviors of people with high blood pressure. The researcher hypoth- esizes that home visits and an interactive websit ...

True/False All experiments must include a minimum of three groups of subjects. The Solomon four-group design is more effective ...

designs, the nonintervention group is referred to as a comparison group rather than a control group. Researchers are able to mea ...

One-Group Time Series Designs The second most common quasi-experimental design is the one-group time series design. This type of ...

the study indicated that the mothers in the intervention group knew more about breastfeeding than the mothers in the comparison ...

Although experimental designs are considered to provide the strongest quantita- tive evidence, that is not the only type of evid ...

purposes. These designs are often used to assess current practice. They can also be used in the early stages of theory developme ...

there will be an associated change in the other. Evaluating statistical data pro- vides information about the strength of the re ...

in QOL scores that could be predicted by this group of predictor variables. Suppose the researcher finds that emotional distress ...

.70. 61 .60 e .73. 65 Par 1Par 2 .84 .78.^77 .85 −.62 −.24 −.44 .85 .72 .83 .68 .73 .53 .21 .39 .33 .57 32 Maladaptivecoping .38 ...

Quantitative designs are often used in translational research, community-based participatory research, and health services resea ...

(National Institutes of Health, Office of Behavioral and Social Sciences Research, 2017). CBPR is based on a philosophy that whe ...

7.5 Keeping It Ethical At the end of this section, you will be able to: ‹ Discuss ethical issues related to quantitative designs ...

To protect subjects from harm, the goal is to maximize the benefits while minimizing the risks. For example, suppose a researche ...