I responded positively to those behaviors that IMO are about socializing (for example, going with the flow and being amiable around others even when I'm not necessarily feeling that way), but negatively to those those behaviors that IMO are more about being the center of attention* (for example, charades, wanting to be an entertainer). That put me in the mid-range.
I got 57, for basically the same reasons. I should have gotten a much higher score but I self-monitor to fit in and avoid conflict, mainly. This involves not standing out.