Fig. 1The cover page of the comic book developed.
Fig. 2An example of the book contents on why artificial food colors are added.
Fig. 3Usefulness of the book by the elementary school students (*: 1 not useful at all, 2 not useful, 3 average, 4 useful, 5 very useful).
Fig. 4The most useful contents of the book by the elementary school students.
Fig. 5The information recognized very well through the book by the elementary school students.
Fig. 6Previous misunderstanding on artificial food colors by elementary school students.
Fig. 7Further information needs of elementary school students.
Fig. 8Elementary school students' impression and opinion on the comic book.
Table 1Composition of the questionnaire to evaluate the students' perceptions on artificial food colors
Table 2The contents of the comic book developed 'Variegated artificial food colors! Understanding and Eating'
Table 3Reflection of the information needs from elementary school students on artificial food colors for the comic book developed
Table 4Comparison of correct answering rates of elementary school students before and after reading the comic book on artificial food colors