This study aimed to explore the role of language type in personality ethic- as a social paradigm. To do so, 30 Iranian advanced bilingual EFL university students were selected based on their performance on the OPT. Then, they were asked to respond to an ethical survey as modelled by Poulshock in two Persian and English versions at the time interval of one month. Their responses to both versions of the survey were compared. The results revealed that there were noticeable inconsistencies between the results of the two Persian and English surveys; yielding support to the role of language type in personality ethic- as a social paradigm of people. پرونده مقاله