Dear all,
I am using the following 7-point semantic differential scale scale
(with mid-point anchor too) in my survey.
1. extremely dissatisfied
4. neither dissatisfied /nor satisfied
7. extremely satisfied
I understand that this can be treated as a metric interval scale. The
problem however, is that the scatter plots of this scale with another
7-point scale on another variable that I am using obviously does not
look like the continuous data that we need to have a good linear
relationship where the Pearson correlation coefficient makes sense. I
had the following question
1.In this case should I use the Spearman rho coefficient?
2.If the above scales are for indicators of a latent variable , then
should I report the inter-item and item to total correlations and
their significance in terms of Spearman correlations?
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