In a research study,ambulatory clinic nurses teach children with asthma how to monitor peak expiratory flow volumes and how to use metered-dose inhalers to determine whether asthma control scores improve.The researcher discovers inconsistencies in how these measures were taught and how well the children understood the concepts.This represents a lack of

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Consistent implementation of the treatment is referred to as intervention fidelity.If the method of administering a research intervention varies from one person to another,the chance of identifying a true difference based on the independent variables decreases.To control for extraneous variables,the researcher would identify characteristics of subjects or settings that might influence outcomes.Internal validity looks at the influence of extraneous variables on study outcomes.Precision of measurement refers to whether or not the tools yield the same readings or findings from one test to another.

In a Research Study,ambulatory Clinic Nurses Teach Children with Asthma