Qualitative Design and Sampling
Instructions
When conducting experimental studies, it is critical to strategize about how to control for extraneous factors that may influence the outcome(s), so that the effects of the intervention itself can be determined. These extraneous factors include those internal or intrinsic to the individual who participate in a study (e.g. fatigue and level of maturity) and those external to the participants (e.g. the environment in which the study is conducted). Please select 1-2 extraneous variables commonly encountered in nursing research and discuss 1-2 strategies used to control. .
Answer
Extraneous Variables In nursing research, certain extraneous variables may impact on the quality of the findings and hence impact negatively on the outcome. Maturation, as an extraneous variable, refers to changes that occur due to time effect and could impact on the results if not controlled for. In nursing research, effective approaches to minimizing the effect of maturation may include the use of repeated measurements and reducing the time of the experiment.A specific example of maturation effect in a nursing research includes the reduction of pain with time following a surgical experiment. According to Kaur (2013), maturation effect results in normal changes in the dependent variable and researchers should be aware of the contribution of their intervention to the observed changes. In...
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