Low 2D:4D digit ratio + long pinky point to Extraversion in females!
October 15, 2012
After various digit ratio studies found conflicting results related to Extraversion & sensation seeking (most pointed into the direction of a negative correlation), a new Dutch 2012 study suggest that other finger lengths require to be taken into account in order to find more clear results!
The (unpublished) results from a female only suggest that low 2D:4D digit ratio + long pinky finger are much more often found in the hands of ‘extroverts’ (8 out of 40 hands = 20%), while this combination is rarely seen in the hands of ‘introverts (0 out of 28 hands = 0%).
Additionally, a high 2D:4D digit ratio with short pinky finger is much more common in the hands of ‘introverts’ (5 out 28 hands = 18%), compared to the hands of ‘extroverts’ (3 out of 40 hands = 7.5%).