Volume 8, Number 1, 2005
RESEARCH ARTICLES
The Role of Perceptual Skills in Newborns' Perception of Partly Occluded Objects
Eloisa Valenza, Luisa Zulian, and Irene Leo

Father Involvement in Infancy: Influences of Past and Current Relationships
Jacqueline D. Shannon, Catherine S. Tamis-LeMonda, and Allan Margolin

Delivery Pain and the Development of Mother-Infant Interaction
Sari Goldstein Ferber and Ruth Feldman

Infant Contingency/Extinction Performance After Observing Partial Reinforcement
Catherine Weir, Cynthia Toland, Rose Ann King, and Lisa Maas Martin

BRIEF REPORTS
How Infants Encode Spatial Extent
Sean Duffy, Janellen Huttenlocher, Susan Levine, and Renee Duffy

Infants' Ability to Distinguish Between Intentional and Accidental Actions and Its Relation to Internal State Language
Kara M. Olineck and Diane Poulin-Dubois