Methodology
Extraneous variables and how they will be controlled Extraneous are variables that are not of interest to the research or an experiment and have an effect of adding an error to the final research outcomes and findings (Burns & Grove, 2010). In this regard, it is imperative to control the effect of these variables in order to reduce the magnitude of their effect (Burns & Grove, 2010). Among the extraneous variables apparent to this study include; age, adverse effects due to medication as well as treatment duration. The purpose of this research is essentially to test the effectiveness of patient education ...