41. They can also be used as a marker of group identity , signalling either inclusion or exclusion for the group. 42. Which brings up another problem with trying to create that group identity that at least one of them covets. 43. Therefore, deindividuation is the increased salience of a group identity that can result from the manipulation of such factors. 44. This process of forming a self or group identity has a negative connotation and impact on the Other-ed group. 45. Ethnicity, unlike race, is less a matter of a common gene pool than of shared history, perceptions and group identity . 46. Consequently, a decategorized approach to contact should be used where the focus is on personal identities instead of group identities . 47. Though lacking any central figures who could be ascribed leadership, the group identity of the revolutionary women became highly celebrated. 48. The effect has been to strengthen a sense of group identity that transcends ordinary citizenship and at times is rivalrous. 49. Quakers have little to no creed or doctrine, and so their practices constitute a large portion of their group identity . 50. Most recent scholars ( notably Peter Heather ) have concluded that Visigothic group identity emerged only within the Roman Empire.