What are the independent and dependent variables for the following examples? What statistical test would you use for each of the following scenarios? Do the best you can based on the lectures. Spencer would like to study how gender and PTSD in veterans impacts risk for dementia. In order to study this, he will need four groups and all four groups will have to be veterans. Females with PTSD, females without PTSD, Males with PTSD, Males without PTSD. What would be the best statistical test to examine how gender and PTSD status impact risk for dementia in this cohort?

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