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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Stephen K. Reed San Diego State University

STEPHEN K. REED is currently an emeritus professor of psychology at San Diego State University and a visiting scholar at the University of California, San Diego. He has also taught at Florida Atlantic University (1980–1988) and at Case Western Reserve University (1971–1980). His research on problem solving has been supported by grants from NIMH, the National Science Foundation, and the Air Force Office of Scientific Research. He is the author of numerous articles and books including Psychological Processes in Pattern Recognition (Academic Press, 1973), Word Problems: Research and Curriculum Reform (Erlbaum, 1999), Cognitive Skills You Need for the 21st Century (Oxford University Press, 2020) and Thinking Visually, second edition (Routledge, 2021).