April 2010
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TD Magazine

What’s Up, What If, and What’s Next With HPI?

In the June 2000 T+D article titled "HPI Soup," Ethan S. Sanders and Julie L. Ruggles explored the history and evolution of human performance improvement. The article included views of noted theorists and contributors to the field, such as Thomas Gilbert, Joe Harness, Geary Rummler, and Robert Mager.

Their soup metaphor was quite appropriate given all the category descriptions, theoretical contributions, published works, and associations among HPI contributors. The soup mix and combin


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