First of all, WIC is USDA program that provides nutrition education and nutritious foods, such as milk, juice and cereal to p regnant, lactating and post-partum women and young children up to age five.
The WIC Criteria: Women, Infants and Children whose household income are 185% of the federal poverty and who are at "nutritional risk" are eligible for WIC in NY State.
The Evaluation Question: Does participation in the WIC program improve birth outcomes for participating mothers?*
*You will just be considering this aspect of the program. Birth outcomes will measured by birth weight.
You want to find a design both strong in internal validity and ethical considerations.
The 'criteria' (think cutoff) may lead you to consider the Regression Discontinuity (RD) design.
Click below to examine the benefits
and drawbacks
of the RD DESIGN
FOR A WIC EVALUATION