Kids Really are Different These Days

Berndt Thomas Keunho Keefe . “Friends' Influence on Adolescents' Adjustment to School.” Child Development 66 (1995): 1312–1329.

Coyl Diana D. Randy M. Jones Andrew Dick . “The Influence of Peer Status and Peer Relationships on School-Related Behaviors, Attitudes, and Intentions Among Alternative High School Students.” American Secondary Education 32 (Spring 2004): 39–62.

Gest Scott D. Kelly L. Rulison Alice J. Davidson Janet A. Welsh . “A Reputation for Success (or Failure): The Association of Peer Academic Reputations with Academic Self-Concept, Effort, and Performance Across the Upper Elementary Grades.” Developmental Psychology 44, no. 3 (2008): 625–636.

Graber Julia Peter Lewinsohn John Seeley Jeanne Brooks-Gunn . “Is Psychopathology Associated with the Timing of Pubertal Development?” Journal of the American Academy of Child and Adolescent Psychiatry 36, no. 12 (1997): 1768–1776.

Gurucharri Carmel Robert L. Selman . “The Development of Interpersonal Understanding During Childhood, Preadolescence, and Adolescence: A Longitudinal Follow-Up Study.” Child Development 53 (1982): 924–927.

Kallestad Jan H. Dan Olweus . “Predicting Teachers' and Schools' Implementation of the Olweus Bullying Prevention Program: A Multilevel Study.” Prevention & Treatment 6, no. 21 (2003): 12–17.

Laursen Brett Karen S. Mooney . “Friendship Network Quality: Adolescent Adjustment and Perceptions of Relationships with Parents and Friends.” American Journal of Orthopsychiatry 78, no. 1 (2008): 47–53.

Lawrence Christine M. Mark H. Thelen . “Body Image, Dieting, and Self-Concept: Their Relation in African-American and Caucasian Children.” Journal of Clinical Child Psychology 24, no. 1 (1995): 41–48.

Mathur Ravisha Thomas Berndt . “Relations of Friends' Activities to Friendship Quality.” Journal of Early Adolescence 26, no. 3 (2006): 365–388.

McCabe Marita P. Lina A. Ricciardelli . “Body Image Dissatisfaction Among Males Across the Lifespan: A Review of Past Literature.” Journal of Psychosomatic Research 56, no. 6 (2004): 675–685.

National Association for Sport & Physical Education (NASPE). “Is It Physical Education or Physical Activity?” Reston, Va.: National Association for Sport & Physical Education, 2005. www.aahperd.org/naspe/template.cfm?template=difference.html.

National Institutes of Health. “Bullying Widespread in U.S. Schools, Survey Finds.” News release. April 24, 2001. www.nichd.nih.gov/news/releases/bullying.cfm.

Raskauskas Juliana Ann D. Stoltz . “Involvement in Traditional and Electronic Bullying Among Adolescents.” Developmental Psychology 43, no. 3 (2007): 564–573.

Santrock John W. Children , 11th ed. New York: McGraw-Hill, 2008.

Schmidt Michelle E. Catherine L. Bagwell . “The Protective Role of Friendships in Overtly and Relationally Victimized Boys and Girls.” Merrill-Palmer Quarterly, Special Issue: Gender and Friendship 53, no.3 (2007): 439–460.

Talbot Margaret . “Girls Just Want to Be Mean.” New York Times Magazine , February 24, 2002, Section 6, p. 24.

U.S. Department of Health and Human Services. “Fact Sheet: Childhood Overweight and Obesity Prevention Initiative: Healthy Youth for a Healthy Future.” Office of the Surgeon General Fact Sheet, 2008. www.surgeongeneral.gov/obesityprevention/factsheet.

Wallis Claudia . “The Multitasking Generation.” Time , March 19, 2006, pp. 48–55.

Wentzel Kathryn R. Carolyn M. Barry Kathryn A. Caldwell “Friendships in Middle School: Influences on Motivation and School Adjustment.” Journal of Educational Psychology 96, no. 2 (2004): 195–203.