Psychology of Learning and Motivation publishes empirical and theoretical contributions in cognitive and experimental psychology, ranging from classical and instrumental conditioning to complex learning and problem solving. Each chapter provides a thoughtful integration of a body of work. Volume 39 includes in its coverage chapters on category learning, relational timing, infant memory, depression and memory, goals and choice, and more.C. Rovee-Collier and M. Gulya, Infant Memory: Cues, Contexts, Categories, and Lists. P.T. Hertel, The Cognitive-Initiative Account of Depression-Related Impairments in Memory. J.G. Fetterman, Relational Timing: A Theromorphic Perspective. A.B. Markman and C.M. Brendl, The Influence of Goals on Value and Choice.E.J. Wisniewski, The Copying Machine Metaphor. E. Heit and L. Bott, Knowledge Selection in Category Learning. S.A. Gelman, M. Hollander, J. Star, and G.D. Heyman, The Role of Language in the Construction of Kinds. Index. Contents of Recent Volumes.Douglas L. Medin is the series editor of The Psychology of Learning and Motivation.PRAISE FOR THE SERIES A remarkable number of landmark papers...An important collection of theory and data. -Roberta L. Klatzky in CONTEMPORARY PSYCHOLOGY