310 Index
interdependence theory, and relational needs,
110, 118
international exchange, and effects of friendship
on personality development, 31– 32
interpersonal attraction, use of term, 287
interracial friendships
barriers to, 76– 79
facilitators of, 79– 82
in the workplace, 83– 84
intersectional theory, of adult friendship, 70
intersex individuals, and assignment of biological
sex, 63
intervention programs, friendship
future research on, 14
in old age, 50– 52
intimacy in friendship, gender differences in
adolescence, 5
investment model framework, and friendship
maintenance, 277
Jacobs, L., 217
Johnson, C. L., 45
Johnson, J. L., 197
Journal of Couple and Relationships Therapy, 295
Journal of Marital and Family Therapy, 295
Journal of Social and Personal Relationships, 287– 288,
288, 292, 296
Joyner, K., 82, 86
Just Friends: The Role of Friendship in Our Lives
(Rubin), 67– 68
Kahneman, D., 284
Kalmijn, M., 187
Kao, G., 82, 86
Katz, Judith H., 80– 81
Kelly, C. M., 268
Kelsey, R . M., 164
Kenny, D. A., 185
Kheong, M. J., 196– 197
Kilpatrick, S. D., 197
King, Alan R.
friendship and mental health functioning, xxi,
249– 266
health benefits of friendship, 289
maintaining friendships, 291
King, Martin Luther, 87
Kingery, J. N., 11
Kito, M., 46
Klinenberg, E., 284
Knight, G. P., 216
Kochenderfer, B. J., 11
Koenig, B., 85
Koenig Kellas, J. K., 185
Kohn, A., 216
Komolova, M., 217
Konkler, Julie C., 170
Kramer, A. D. I., emotional contagion via
Facebook, 93, 100– 101, 104
Kuhn, Thomas, 64
Kurzban, R ., 195Ladd, G., 7– 8, 11
Lambert, A. N., 182
Lampe, C., 100
Langwell, L., 97
Lannutti, P. J., 183, 184
Larson, K. A., 203, 270
Larson, R ., 284
Last.fm music site, 98
Laursen, B., 218
Lean In Circles, 154
Leary, M., 197
Ledbetter, Andrew M.
defining friendship, 285
friendship and social media, xx, 93– 108, 292
friendship maintenance behaviors, 278
maintaining friendships and inclusion of other
in self, 279– 280
media multiplexity theory, 99, 295
Lee, L., 83
Lerner, M. D., 14
lesbian, gay, bisexual, and transgender individuals
friends as “intentional family” for, 85
friendship across racial lines, 81
geographical clustering of populations, 76
prejudice against, 77
self- disclosure and establishing trust across
sexual orientations, 79
societal expectations of assimilation, 77– 78
See also sexual orientation
Lever, J., 49
Levinger, G., 296, 297
Levinson, D., 143
Levitt, M. J., 9
Lewis, C. S., 233
LGBT populations
See lesbian, gay, bisexual, and transgender
individuals
life transitions, maintaining friendships during,
271– 272
Lighthall, M., 220
Lloyd, E. Paige, animals as friends, xx, 157– 174
Lofland, J. and L. H., 60– 61, 72
loneliness
and friendship experiences in childhood
and adolescence, 7
interventions in old age, 51
long- lasting friendships, maintaining
critical nature of maintenance, 267– 268, 280