(1) How to analyze relation between two variables in which data is obtained on the ordinal scale from two different groups and the data sets are asymmetric, where one group has significantly more responses than the other? (2) How does SMART PLS address this issue for unequal numbers of observations between the predictor and criterion variables? If not, what other tools are appropriate? (3) What are some assumptions of this type of analysis? What things are important to consider before starting the data collection?