The aim of this study was to complete the psychological type profiles of bilingual (fluent Welsh speakers) and monolingual (nonWelsh-speakers) students in Wales. The Myers-Briggs Type Indicator® instrument was completed by 425 female undergraduate students attending a university-sector college in Wales that exercises a bilingual policy (English and Welsh). From the total sample, 102 subjects identified themselves as fluent Welsh-speakers (bilinguals) and 101 as nonWelsh-speakers (monolinguals). The remaining 222 were Welsh learners and were excluded from the analyses of the present study. SRTT analyses revealed that in the study sample, the bilingual students demonstrated significantly more frequent preferences for Extraversion and for Sensing compared with the monolingual students
