Professor Jeffrey J. Lockman got his Ph.D at the University of Minnesota. His research interests center on perception-action and cognitive development. In his recent work, he has been studying the development of tool use in children and how it might be related to the object manipulation skills of infants. Additionally, he has been conducting work on spatial cognition in children, focusing on how children code the location of objects and object features.

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• 1. Children’s beliefs in invisible causal agents – both religious and scientificAyse Payir, Kathleen H. Corriveau, and Paul L. Harris2. Development of Representational Theory of Mind: Concepts of Mental States, Awareness of Thinking, and Self-PermanenceWilliam V. Fabricius3. Objects in a social world: Infants’ object representational capacity limits are shaped by objects' social relevanceMelissa M. Kibbe and Aimee E. Stahl 4. Curiosity constructs communicative competence through social feedback loopJulia A. Venditti, Emma Murrugarra, Celia R. McLean, and Michael H. Goldstein5. Early Care and EducationMargaret Burchinal6. Designing Learning Environments for Promoting Young People’s Constructive Coping with Climate ChangeAbigail Brown, Silvia Collado, Gary W. Evans, and Janet E. Loebach7. Growing up Amid Conflict: Implications of the Developmental Peacebuilding ModelCelia Bähr and Laura K Taylor8. Co-Rumination and Conversational Self-Focus:Adjustment Implications of Problem Talk in Adolescents’ FriendshipsAmanda J. Rose, Rebecca Schwartz-Mette, Sarah K. Borowski, and Allie Spiekerman