Reliability is one of the important steps in research, It helps in testing the quality in view of consistency, stability and equivalence. Various methods like test retest, Inter rater, Intra Rater, Split half method and formulas like Kuder Richardson formula, Cronbach’s alpha, Karl Pearson Coorelation formula etc. The Knowledge of This formulas and criteria for using a particular method is essential for a researcher. It the basis for a proper way of checking the Questionnaire/ Tools Quality.
Cite this article:
Jaison Jacob. Reliability: How? When? What?. Int. J. Adv. Nur. Management. 2017; 5(4):372-374. doi: 10.5958/2454-2652.2017.00080.4