Robust Coefficients Alpha and Omega and Confidence Intervals With Outlying Observations and Missing Data
Robust Coefficients Alpha and Omega and Confidence Intervals With Outlying Observations and Missing Data
Cronbach’s coefficient alpha is a widely used reliability measure in social, behavioral, and education sciences. It is reported in nearly every study that involves measuring a construct through multiple items. With non-tau-equivalent items, McDonald’s omega has been used as a popular alternative to alpha in the literature. Traditional estimation methods …