Analyse an ordinal DV with 3 categories
Posted: Tue Jul 12, 2022 1:30 pm
I have a DV which is an ordinal variable with 3 categories (Low, Moderate, High) and 2 IV which are categorical. I.e. Group: CON vs EXP and Time: Pre vs Post.
At first, I thought to perform a Wilcoxon rank test to asses the pre-post differences and a Mann-Whitney U to asses the between-group differences but, as expected, there are a lot of tied values.
Then I thought to perform McNemar test for each group separately, it would be correct?
Other option that I thought is to change my dataset to long format and perform an Ordinal Logistic regresión or a Generalised Linear Model selecting a Multinomianl categorical dependent variables option. It would be possible?
Is there any tutorial to follow?
Any comments or suggestions are welcome. Thanks in advance.
At first, I thought to perform a Wilcoxon rank test to asses the pre-post differences and a Mann-Whitney U to asses the between-group differences but, as expected, there are a lot of tied values.
Then I thought to perform McNemar test for each group separately, it would be correct?
Other option that I thought is to change my dataset to long format and perform an Ordinal Logistic regresión or a Generalised Linear Model selecting a Multinomianl categorical dependent variables option. It would be possible?
Is there any tutorial to follow?
Any comments or suggestions are welcome. Thanks in advance.