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 thoughtfully integrates the writings of leading contributors, who present and discuss significant bodies of research relevant to their discipline. Volume 60 includes chapters on such varied topics as the balance between mindfulness and mind-wandering; institutions; implications for the nature of memory traces; repetition, spacing, and abstraction; immediate repetition paradigms; stimulus-response compatibility effects; environmental knowledge; and the control of visual attention.