Index 317and intersectional theory on adult friendship,
70– 71
notions of “opposite- sex” friendships, 59– 60
perceptions of gender, 65
Troll, L. E., 45
Tropp, L. R ., 80
trust, and friendship across racial and cultural
lines, 78– 79
Twitter, suggestions for future research, 102
Udvari, S., 217
Vacca, J., 220
validation, and friendship in young and middle
adulthood, 22– 23
Valkenburg, P. M., 274
Valliant, G. E., 143
Vallor, S., 101
VanderDrift, Laura E., friendship and romance,
xx, 109– 122, 289
Van Der Heide, B.
number of “friends” on social media, 97
reliability of social media profiles, 96
visual information on social media, 96– 97
Van Tilburg, T. G., 51, 52
Veith, Amy C., friendship and mental health
functioning, 249– 266
vengefulness
gender differences in, 204– 206
vs. forgiveness, in friendships, 198– 199
victimization, peer, and friendship experiences in
childhood and adolescence, 10
Villella, S., 184
Vitak, J., 98, 99
Votaw, Katheryn B., friendship after romance, xx,
177– 194, 290
Wagner, J.
changes in social relationship networks, 28f
friendships and family relationships, 24
Wainryb, C., 217
Walker, K., 44
Walters, P., 50
Walther, J. B., 96, 97
Walton, Gail R.
competition in friendship, 213– 229, 290
friendship and rivalry, xx
mentors as friends, 296
Wang, H., 94
Watts, A., 203, 270
Way, N., 82
Weger, H., 270– 271
Wegner, D. M., 160
Weinstock, J. S., 85
Wellman, B., 94
Wells, D. L., 163
Wentzel, K. R ., 11
We’re Just Good Friends: Women and Men in
NonRomantic Relationships (Werking), 68
Werking, Kathy, 68, 204
Westbay, L., 114
Westerhof, G. J., 51
White Awareness (Katz), 81
widowhood, and new friendships in old age, 50
Wills, T. A., 237
Wingfield, A. H., 83
Wiseman, J. P., 276– 277
Women and Men as Friends: Relationships Across the
Life Span in the 21st Century (Monsour), 68
Woodburn, S., 217
workforce participation, and developing
friendships, 28– 29
workplace friendships
defining and describing, 124– 125
and dual vs. single- role relationships, 128– 130
friendship deterioration, 130– 131
impact of gender on, 131– 133
importance to organizations, 123– 124, 135
individual- level benefits and challenges of,
133– 134
interracial friendships, 83– 84
motives for, 126– 127
organization- level benefits and challenges of,
134– 135
suggestions for encouraging, 134– 135
transitions to, 127
types of organizational relationships,
127– 128
vs. other workplace relationships, 125
Wright, P. H., 49, 125
Wrzus, Cornelia
changes in social relationship networks, 28f
defining friendship, 285
friendship in young and middle adulthood,
21– 38
friendships and family relationships, 24, 295
functions of friendship, xix– xx
interdependence among types of friendships,
294– 295
neuroticism in friendships, 294Xbox LIVE gaming service, 98– 99Yang, C., 274
Yoshimura, S. M., 199– 200
youth, mentoring of, 149, 150, 153Zimmerman, Julia, friendship in young and middle
adulthood, xix– xx, 21– 38
Zuzanek, J., 284