The questionnaire research produces the findings that gifted students in science have specific educational needs in comparison with non-gifted students (Trnova, & Trna, 2012). We cannot strongly generalise these results because of the low number of gifted students. We used these results as a source for the first part of our design-based research.
(2) The second step of our design-based research was a comparison of the specific educational needs of gifted students and core IBSE components. This comparison is presented in Table 3.