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Resource | Research and Data | Food/Nutrient Analysis Assessing the Nutritional Quality of the FDPIR Food Package

This analysis helps to estimate the nutritional quality of the 2022 FDPIR food package 'as offered' using the Healthy Eating Index scoring algorithm. This will provide an update to the first HEI estimate of the 2014 FDPIR food package. The project also aims to estimate the HEIs of the food packages 'as delivered' to participants.

04/04/2024
Resource | Research and Data | Benefit Content/Cost WIC Vendor Management Study: 2015 EBT Pilot

The WIC Vendor Management Study: 2015 Electronic Benefits Transfer (EBT) Pilot examined compliance with program requirements and rates of violations among WIC EBT vendors in 2015 and tested a method to identify and measure errors that contribute to improper payments in an EBT environment.

08/10/2022
Resource | Research and Data | Assessing/Improving Operations Evaluation of the Direct Certification with Medicaid for Free and Reduced-Price Meals (DCM-F/RP) Demonstrations, Year 2

This report examines the impact of using Medicaid data to directly certify students for free and reduced-price school meals in the National School Lunch and School Breakfast Programs in 15 states in school year 2017-18. Certification, participation and reimbursement outcomes for Cohort 1 states in their second year of implementation and Cohort 2 states in their first year of implementation are discussed.

09/15/2020
Resource | Research and Data | Assessing/Improving Operations WIC Vendor Peer Group Study

The purpose of this study is to evaluate the effectiveness of state agencies current peer group systems, and to provide guidance to state agencies on how to evaluate and update their systems. Specifically, it uses empirical analysis to identify one or more effective models for establishing vendor peer groups that could apply to most state agencies.

05/31/2017
Resource | Research and Data | Food/Nutrient Analysis Review of WIC Food Packages: Improving Balance and Choice

The National Academies of Sciences, Engineering, and Medicine  convened an expert committee to review and assess the nutritional status and food and nutritional needs of the WIC-eligible population and provide recommendations based on its review and grounded in the most recently available science. The committee produced three reports as part of this task. 

01/05/2017
Resource | Research and Data | Payment Accuracy and Program Integrity 2013 WIC Vendor Management Study

This study is part of a larger FNS effort to ensure WIC program integrity and to comply with the Improper Payments Information Act of 2002 which requires FNS to estimate improper payments in its programs.

11/26/2013
Resource | Research and Data | Assessing/Improving Operations WIC Food Package Cost Report, FY 2010

This report estimates the average monthly food costs for each of 5 WIC participant subgroups and estimates total dollars spent on 17 major categories of WIC-eligible foods in FY 2010. The participant and food level costs in this report are USDA’s first estimates since implementation of the 2009 WIC food package changes.

08/21/2013
Resource | Research and Data | Demonstrations SEBTC Demonstration: Evaluation Findings for the Full Implementation Year 2012 Final Report

SEBTC demonstration offered a rigorous test of the impact of providing a monthly benefit of $60 per child - using existing electronic benefit transfer (EBT) systems - on food insecurity among children during the summer when school meals are not available.

08/02/2013
Resource | Research and Data | Breastfeeding Evaluation of the Birth Month Breastfeeding Changes to the WIC Food Packages

In 2006, FNS asked the Institute of Medicine to review the WIC food packages. The IOM proposed major changes to improve nutrition and encourage breastfeeding but also expressed the concern that changes related to partial breastfeeding may have unintended consequences. The IOM recommended that FNS conduct an impact study evaluating the birth month breastfeeding changes to the WIC food packages. 

01/05/2012
Resource | Research and Data | Food/Nutrient Analysis WIC Food Packages Policy Options

This study describes some of the choices state agencies made as they exercised the flexibility offered during the implementation and describes the resulting food packages.

06/01/2011
Page updated: May 22, 2025