Ankara for Partners were the most commonly mentioned normative influence in the individual group per cent, whereas in the modal group GPs were the most frequent per cent. No between-group differences were found on the other TPB items, i.e. attitude, perceived behavioural control or intention. Contrary to the hypothesis, there was not a stronger association between individual SNs and intention than there was between modal SN beliefs and intention. In both groups, attitudes and PBC also correlated with intention. However, there was a significant relationship between individual SNs and subsequent attendance attitude and intention also correlated with attendance, whereas modal SNs were not associated with attendance and neither were attitude or PBC, although intention was. Ankara 2016.