We have made a pre-test and asked respondents to evaluate the direction and strength of 7 arguments (on 7-point scales ranging from definitely opposed to definitely supportive, and from definitely not effective to definitely effective). Now we want to test if there is significant different between strength and direction of the different arguments. We ere thinking about making a ttest (like example 4 in this Stata-paper here: https://www.stata.com/manuals13/rtte...pArmczP2RHuN20 ) - but we're learned that ttest can only run one ordinal and one metric variable, and both our variables are metric.
How do you test if there is significant difference between two metric variables?
Thankyou!
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