Measuring personality traits is one of (the?) bread-and-butter business of psychologists, at least for quantitatively oriented ones. Literally, thousand of psychometric questionnaires exits. Measures abound. Extroversion, part of the Big Five personality theory approach, is one of the most widely used, and extensively scrutinized questionnaire tapping into human personality. One rather new, but quite often used questionnaire, is Satow’s (2012) B5T. The reason for the popularity of this instrument is that it runs under a CC-licence - in contrast to the old ducks, which coute …