Question

When you develop a research project, you need to have a reliable and valid method of measurement in your study. how will you address the issues of reliability and validity? What concerns do you have over reliability and validity in a study and how will you overcome these concerns? Do you have any recommendations for improving reliability and validity?

Answer 1

1 One of the essential component in the critique of research is to determine how rigourously the issues of reliability and validity have been addressed in a study .it also influence the decision about whether to implement the study findings into nursing practice.in quantitative studies ,rigour is determined through an evaluation of of the validity and reliability of the tools or instruments utilised in the study.A good quality research study will provide evidence of how all these factors have been addressed.it willl help you to assess the valiity and reliability of the research and help you decide whether or not you should apply the findings in your area of clinical practice.

2 The major concern is to make sure what you are looking at is measured accurately and adequately.

3 For improving reliability use Factor analysis to determine sub-characteristics of a single test ,item analysis ,Ad-hoc methods and discriminant analysis.

For improving validity use non empirical methods and empirical methods.