Animated Videos Based on Food Processing for Guidance of Brazilian Adults: Validation Study

Interactive Journal of Medical Research · 3 authors, 3 centres

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TL;DR

The videos were assessed by content and multimedia specialists and the target audience, achieving high content validity index scores.

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THE PROCESS INVOLVED FOUR PHASES

planning, preproduction, production, and postproduction. In planning, content was defined via a literature review. In production, videos were assessed by 3 multimedia specialists. In postproduction, 15 target-audience representatives evaluated the final videos. Validation used the content validity index (CVI).

STUDY TYPE

other

SPECIALTY

nutrition

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100% · A

ORIGINAL PAPER

PMC10520766

Animated Videos Based on Food Processing for Guidance of Brazilian Adults: Validation Study

Interactive Journal of Medical Research

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ABSTRACT

Abstract Background Ultraprocessed foods (UPFs) contribute almost one-fifth of the calories consumed by the Brazilian population. This consumption has been favored by aspects such as the ease of acquisition and low cost of this food group. Initiatives focused on supporting and promoting healthy eating practices have been implemented. Among them, the availability of educational resources is an important strategy to maximize the effectiveness of these actions in the field of food and nutrition education (FNE). Objective This study aims to describe the development and validation process of animated videos based on the NOVA food classification for FNE actions aimed at Brazilian adults. Methods This methodological study was developed in the following 4 phases: planning, preproduction, production, and postproduction. In the planning phase, a literature review was con-ducted on the topic and to define the content to be covered. The design of the material was based on the cognitive theory of multimedia learning. In the preproduction phase, video scripts were developed and evaluated by 7 content specialists. In the production phase, videos were developed based on the assessed scripts and then assessed by 3 multimedia production specialists. In the postproduction phase, the videos were evaluated by 15 representatives of the target audience. All results obtained in the evaluation phases were analyzed using the content validity index (CVI). Results We developed 3 animated videos covering the following themes: food processing levels, food categories according to processing levels, and UPFs and their impact on health. In the evaluation by the content specialists, the scripts of videos 1, 2, and 3 obtained CVIs at the scale level and average method equal to 0.96, 0.98, and 0.98, respectively. When the animated videos were evaluated by multimedia production specialists and representatives of the target audience, these indexes were equal to 1.0. These results attest to the videos’ adequacy and quality in communicating the addressed content. Conclusions The animated videos developed and validated in this study proved to be adequate for their purpose. Thus, it is expected that they will be an important instrument for FNE actions aimed at an adult audience and for disseminating the Dietary Guidelines for the Brazilian Population. Keywords: food, processed; dietary guidelines; nutrition policy; instructional films and videos; validation study; food classification; validation; educational videos; nutrition; Brazil

CITATION EXPORT

Maria Fernanda Gomes da Silva, Luciana Neri Nobre, Edson da Silva. Animated Videos Based on Food Processing for Guidance of Brazilian Adults: Validation Study. Interactive Journal of Medical Research. (2023). https://doi.org/10.2196/49092

AUTHORS

3 · 3 CENTRES

Maria Fernanda Gomes da Silva, Luciana Neri Nobre, Edson da Silva

1Graduate Program in Nutrition Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
2Department of Nutrition, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
3Department of Basic Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil