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Resource | Research and Data | Assessing/Improving Operations Third National Survey of WIC Participants

The National Survey of WIC Participants (NSWP) study series is designed to describe state and local agency characteristics, examine participants’ characteristics, assess participants’ experiences with WIC, and estimate improper payments resulting from certification errors in WIC. The study is conducted approximately every 10 years, and the current study is the third iteration (NSWP-III) in the series. 

12/14/2021
Resource | Research and Data Report on the WIC Task Force on Supplemental Foods Delivery

The following report addresses actions taken by FNS to comply with the Consolidated Appropriations Act 2021 which directed USDA to establish a Task Force to study measures to streamline the redemption of WIC benefits in a manner that promotes convenience, safety, and equitable access to WIC supplemental foods for participants in the WIC program.

12/10/2021
Resource | Research and Data | Benefit Content/Cost WIC Participant and Program Characteristics 2018 Food Packages and Costs Report

​​This report supplements FNS administrative data on total food costs by estimating the average monthly food costs for each WIC participant category and food package type. It also estimates total pre- and post-rebate dollars spent on 18 major categories of WIC-eligible foods in FY 2018.

01/11/2021
Resource | Research and Data | Payment Accuracy and Program Integrity WIC Vendor Management Study - 1998

The purpose of the study was to learn the extent to which retail grocers, defined as "vendors" in the WIC Program, authorized to provide food to WIC participants, were violating program rules and procedures, and to determine which programmatic and/or demographic variables could be associated with vendor violations.

07/01/2001
Resource | Report to Congress Food Assistance: Research Provides Limited Information on the Effectiveness of Specific WIC Nutrition Services

This report (1) identifies the number and nature of recent studies that have examined the effectiveness of three WIC services—nutrition education, breastfeeding promotion and support, and referral services—and (2) summarizes what the research shows about the effectiveness of these specific nutrition services. 

03/01/2001
Resource | Report to Congress Food Assistance: Performance Measures for Assessing Three WIC Services

GAO Report to Congressional Committees on Food Assistance: Performance Measures for Assessing Three WIC Services

02/01/2001
Resource | Research and Data | Assessing/Improving Operations Evaluation of the E&T/JOBS Conformance Demonstrations

From October 1, 1993 to September 30, 1996, the Food and Nutrition Service of the U.S. Department of Agriculture sponsored demonstration projects in Georgia, Hawaii, Missouri, South Dakota, and Texas to demonstrate the feasibility and effectiveness of operating the Food Stamp Employment and Training (E&T) program under the same legislative and regulatory terms as the Job Opportunities and Basic Skills (JOBS) program for Aid to Families with Dependent Children (AFDC) recipients. Common objectives of the demonstrations were to increase compliance with E&T participation requirements among mandatory work registrants, target services to individuals most at risk of long-term dependency and those most likely to benefit from E&T services, improve participant outcomes, and improve the cost efficiency of welfare to work services.

02/01/1998
Page updated: September 16, 2025