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mative perspectives on the role of cognitive ability in IWO psychology that would be valuable to include in the special issue. For these, we tapped Mary Tenopyr, Jesus Salgado, Harold Goldstein, Neil Anderson, and Robert Sternberg, and their coauthors. The 12 articles in this special issue of Human Performance uniquely summarize the state of our knowledge of g as it relates to IWO psychology and masterfully draw out areas of question and contention. We are very pleased that each of the 12 contributing articles highlight similarities and differences among perspectives and shed light on research needs for the future. We should alert the readers that the order of the articles in the special issue is geared to enhance the synergy among them. In the last article of the special issue, we summarize the major themes that run across all the articles and offer a review of contrasts in viewpoints. We hope that the final product is informative and beneficial to researchers, graduate students, practitioners, and decision makers. There are several individuals that we would like to thank for their help in the creation of this special issue. First and foremost, we thank all the authors who have produced extremely high quality manuscripts. Their insights have enriched our understanding of the role of g in IWO psychology. We were also impressed with the timeliness of all the authors, as well as their receptiveness to feedback that we provided for revisions. We also extend our thanks to Barbara Hamilton, Rachel Gamm, and Jocelyn Wilson for much appreciated clerical help. Their support has made our editorial work a little easier. Financial support for the special issue editorial office was provided by the Departments of Psychology of Florida International University and the University of Minnesota, as well as the Hellervik Chair endowment. We are also grateful to Jim Farr for allowing us to put together this special issue and for his support. We hope that his foresight about the importance of the topic will serve the literature well. We also appreciate the intellectual stimulation provided by our colleagues at the University of Minnesota and Florida International University. Finally, our spouses Saraswathy Viswesvaran and Ates Haner provided us the environment where we could devote uninterrupted time to this project. They also have our gratitude (and probably a better understanding and knowledge of g than most nonpsychologists). We dedicate this issue to the memory of courageous scholars (e.g., Galton, Spearman, Thorndike, Cattell, Eysenck) whose insights have helped the science around cognitive ability to blossom during the early days of studying individual differences. We hope that how to best use measures of g to enhance societal progress and well-being of individuals will be better understood and utilized around the globe in the next 100 years.
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