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Objective: to semantically validate the serial album De Olho no Peso (Keeping an eye on weight), to promote children’s body weight control. Methods: methodological study, of semantic analysis of educational technology, by 42 children aged seven to 10 years, through the individual application of a questionnaire. The minimum semantic concordance index of 0.80 was considered. Results: all items of the questionnaire (organization, content, attractiveness and persuasion) were validated. The children found the illustrations on the flipchart easy to understand except for two. Responses about having liked each illustration ranged from 47.6 to 100.0%. The average concordance index of the illustrations was 0.86. After analyzing the responses, changes were made to the flipchart. Conclusion: the serial album De Olho no Peso presented a semantic concordance index equal to 0.89, demonstrating to be a validated technology to mediate educational actions on prevention and control of infant body weight.

ABSTRACT Objective: to validate the content and appearance of a serial album for children aged from 7 to 10 years addressing the topic of prevention and control of body weight. Method: methodological study with descriptive nature. The validation process was attended by 33 specialists in educational technologies and/or in excess of infantile weight. The agreement index of 80% was the minimum considered to guarantee the validation of the material. Results: most of the specialists had a doctoral degree and a graduate degree in nursing. Regarding content, illustrations, layout and relevance, all items were validated and 69.7% of the experts considered the album as great. The overall agreement validation index for the educational technology was 0.88. Only the script-sheet 3 did not reach the cutoff point of the content validation index. Changes were made to the material, such as title change, inclusion of the school context and insertion of nutritionist and physical educator in the story narrated in the album. Conclusion: the proposed serial album was considered valid by experts regarding content and appearance, suggesting that this technology has the potential to contribute in health education by promoting healthy weight in the age group of 7 to 10 years.