The averages were broken down by age and sex of the participants and significant gender differences were found in overall average scores among children aged 5; 8-5; 11.
Þá voru meðaltöl skoðuð eftir aldri og kyni þátttakenda. Marktækur kynjamunur reyndist vera á heildarmeðalskori meðal 5; 8-5; 11 ára barna.