I have tested that the amount of categories representing threats to lemur conservation is different before and after the visit to a reserve. Is there a test that allows me to explore if this difference can be influenced by the kind of reserve, the presence of photos, foraging, tourists nationality or age?
thank you very much
Dear Marika,
you may use multiple correspondence analysis (MCA) that perform by STATA and SPSS software programs. That analysis deal with nominal categorical data.
Good luck,
Sara Sayed
This is a straightforward interaction: the relationship between two variables (number of categories, and timepoint) is moderated by a third variable (presence or absence of photos, etc.). These can be tested with regression.
Dear Sara,
thank you very much for your answer! it is a statistical analysis I have never heard about!
Marika
I think you can use R (packages Psych)
_ maxis correlation
_ RR
_ multiple regression analysis
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