Due to increasing pressures to document the effectiveness of educational programs, a project was undertaken to develop impact indicators and accompanying evaluation questionnaires for four of seven Dietary Guidelines for Americans. The results of field testing a 12-item knowledge and 16-item behavior change evaluation questionnaire for the “healthy weight” dietary guideline are presented. A pre-, post-, and 3- to 6-month delayed postassessment measurement design was selected to be used following completion of diverse multi-session weight management nutrition education programs designed by each participating state. Seven states in the Extension system collected and submitted both pre- and postdata; one state submitted pre-, post-, and delayed postdata. Results indicate small gains in knowledge and significant improvements in behaviors related to weight management in the broad categories of food behavior, exercise behavior, and behavior modification changes. However, a state by test interaction was identified for food behavior and behavior modification practices scores. States that showed no change for those measures tended to have higher pretest scores but the statistical results may have been affected by small numbers of participants in some states. This study suggests that use of a standard set of impact indicators, knowledge and behavior questionnaires to assess programming impact at different locations may be feasible. It would be important to consider programmatic similarities, such as program length and content, and differences in pre-entry data before aggregation of data occurs.
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