The program contains 70 lessons, each taking 25-35 minutes to complete and scheduled three to four times per week. In this study 30-45 lessons were held, two to four times per week.
Gert er ráð fyrir 25-35 mínútna kennslustundum, fjórum sinnum í viku í samtals 70 kennslustundir en í þessari rannsókn voru kennslustundirnar alls 30-45, tvisvar til fjórum sinnum í viku.