Ajzen I. The theory of planned behavior. Organ Behav Hum Decis Process. 1991;50(2):179–211. Article Google Scholar McEvoy R, Ballini L, Maltoni S, ODonnell C, Mair F, MacFarlane A. A qualitative systematic review of studies using the normalization process theory to research implementatio...
In order to avoid bias in selection, the numbers of respondents were planned to be balanced between countries and professional groups. Since the calculated Leik ordinal consensus between fractions in all groups was high, we considered that this was achieved and that the replies were homogeneous. ...