Does Maternal Multipartnered Fertility Affect the Mother-Child Relationship? • Karen B. Guzzo, Bowling Green State University ; Cassandra J. Dorius, Iowa State University

Nonresident Fatherhood and Adolescent Sexual Behavior: A Comparison of Siblings Approach • Rebecca M. Ryan, Georgetown University

Family Structure, Parents' Partner Instability, and Weight Gains and Losses from Childhood into Adolescence • Shannon E. Cavanagh, University of Texas at Austin ; Chelsea Smith, University of Texas at Austin ; Robert Crosnoe, University of Texas at Austin

Family Structure Transitions and Child Development: Instability, Type, and Selection • Dohoon Lee, New York University (NYU) ; Sara McLanahan, Princeton University