Is it better to meet a man while out by yourself or in a group?

{Question} If a women goes out alone to a bar, club etc..is she more likely to be approached by a man or several men for that matter, because she's alone and not around a group of women? Are men really intimidated by the "girlfriend groups"( the ladies who hang out all the time together at the club, bar etc..) Do mean feel pressured to talk a women with a group of ladies? Men do tell