parents filled out an initial questionnaire about the standard inhaler, which measured: problems with using the inhaler, children's attitudes, parents' attitudes and how often they used it effectively
parents given the funhaler to use with their child for the next 2 weeks and contacted randomly by telephone and asked if they had used the funhaler the previous day
a second questionnaire was given to the parents to measure problems of funhaler, children and parents' attitudes and how often they used it