how to combine multiple scores in scales which scale is best for composite scores what's the difference between z score and a scale? what is the difference between a composite score and a likert score? which scale is used to calculate weight how to combine two different scales of assessment how to combine a scale what is the difference between a composite score and a 5-point scale? how to use composite scale what is the difference between the four and the five-point scale? quizlet what is the pro and con of combining score items why do you use a composite scale what is the difference between a composite score and a 5-point scale what is the difference between a composite and a 5-point scale what is the difference between average and composite scale how do you combine different scales which scale should be used as the composite scale how is the total scale score calculated? can i combine two scales and combine them what scale do you use for average scores for pca scores