Identifying the independent and dependent variables from the research question

Section 1: Research Question

Do newborn infants in the hospital setting diagnosed neonatal abstinence syndrome, have fewer and less severe symptoms if the mother breastfeeds or provides expressed breast milk on a regular basis as compared to only receiving formula?

Section 2: A Nonparametric Plan

1. identify independent and dependent variables with a specific level of measurement (Nominal or Ordinal)
2. their null hypothesis & research hypothesis
3. the statistical analyses with rationale

Section 3: A Parametric Plan

1. independent and dependent variables with a specific level of measurement (Interval/Ratio)
2. their null hypothesis & research hypothesis
3. the statistical analyses with rationale