The study is based on a quantitative method and includes a questionnaire for children aged 10-13 years old in two different schools in Mosfellsbær and a questionnaire to their parents.
Rannsóknin byggir á megindlegri aðferð þar sem spurningakönnun var lögð fyrir 10-13 ára nemendur í tveimur skólum í Mosfellsbæ.