“…Although average degree is similar to the measure of density used in previous research (e.g., Haynie, ; see also Kreager, Rulison, and Moody, ), it differs from both Klein's (, ) and Jansyn's () measure of cohesiveness in that it emphasizes friendships rather than frequency of contact. Despite evidence that gang cohesion is “less a function of internal factors such as affective ties or individual similarities than external factors that spawn social interaction in reaction to gang rivalries” (Hennigan and Spanovic, : 143), interpersonal relations feature prominently in small‐groups research, including studies of adolescent peer groups, and thus seem to be crucial for gang researchers to consider (see, e.g., Allen et al, ; Haynie, ; Kreager, Rulison, and Moody, ; see also Cartwright, Howard, and Reuterman, ).…”