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Resource | Research and Data Study of Nutrition and Activity in Child Care Settings II (SNACS II)

SNACS-II studied child care providers who participate in the Child and Adult Care Food Program. This study found that these providers serve healthy meals and snacks to the children in their care. Children have better overall diets on days when they are in child care than on days when they are not.
 

07/08/2025
Resource | Research and Data WIC Infant and Toddler Feeding Practices Study-2: Ninth Year Report

This report, in the WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study analyzes the long-term impact of the USDA’s Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) by gathering information on caregivers and children over the first nine years of the child's life after enrollment in WIC, regardless of their continued participation in the program.

05/22/2025
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 | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2: Infant Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS 2), "Feeding My Baby Study" captures data on WIC caregivers and their children over the first 5 years of each child’s life to address a series of research questions regarding feeding practices, the effect of WIC services on those practices, and the health and nutrition outcomes of children on WIC. Additionally, the study assesses changes in behaviors and trends that may have occurred over the past 20 years by comparing findings to the WIC Infant Feeding Practices Study–1, the last major study of the diets of infants on WIC. This study will provide a series of reports. The current report focuses on breastfeeding intention, initiation and duration, and the introduction of complementary foods.

01/05/2017
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 | Nutrition Education Nutrition Education: Principles of Sound Impact Evaluation

FNS is frequently asked, by a variety of nutrition education partners, how it defines a sound impact evaluation. The principles introduced here describe the characteristics of strong impact assessments of nutrition education. They are also consistent with the Government and Performance Results Act and the Office of Management and Budget’s guidance for clear demonstration of program effects.

09/13/2005
Resource | Research and Data | Assessing/Improving Operations Making America Stronger: A Profile of the Food Stamp Program

A summary of past research on program operations and outcomes related to the Food Stamp Program.

09/01/2005
Resource | Research and Data | Nutrition Education Fit WIC: Programs to Prevent Childhood Overweight in Your Community

Fit WIC can help the nation’s premier early childhood food and nutrition program work more effectively to reduce and prevent unhealthy weight among our children.

05/01/2005
Resource | Research and Data | Food Security Obesity, Poverty, and Participation in Nutrition Assistance Programs

The national nutrition safety net consists of 15 programs that provide millions of low-income Americans access to a healthy and nutritious diet. It has been observed that many low-income individuals are both overweight and participants in one or more nutrition assistance programs. This has led some to question whether participation in the nutrition assistance programs contributes to the growing problem of overweight and obesity. This report presents the conclusions of an expert panel convened by the Food and Nutrition Service to determine if there is scientific evidence of a relationship between program participation and excess weight.

02/01/2005
Page updated: September 16, 2025