The Journal of Problem Solving is an open-access online journal that focuses on "empirical and theoretical papers on mental mechanisms involved in problem-solving." Currently in its eleventh volume and generally publishing one issue each year, this multidisciplinary journal publishes original research from the fields of psychology, neuroscience, computer science, mathematics, and operations research. Examples of its most popular papers include "What Are the Odds? A Practical Guide to Computing and Reporting Bayes Factors" by Andrew F. Jarosz and Jennifer Wiley from the University of Illinois at Chicago, and "The Role of the Goal in Solving Hard Computational Problems: Do People Really Optimize?" by Sarah Carruthers, Ulrike Stege, and Michael E. J. Masson from the University of Victoria. Published by Purdue University Press, The Journal of Problem Solving has Zygmunt Pizlo, Professor and Endowed Chair in Cognitive Sciences at the University of California-Irvine, as its editor-in-chief, with a multidisciplinary editorial board from across North America and Europe.