1. KIRKPATRICK'S LEVELS OF TRAINING CRITERIA: THIRTY YEARS LATER
2. Arnold, E. (2003, December 1). How can businesses measure the impact of training? Mass High Tech: The Journal of New England Technology. Retrieved March 18, 2009, from http://masshightech.bizjournals.com/masshightech/stories/2003/12/01/focus6.html
3. Arthur, K., Gage-Little, R., & Munson, D. (2002a). Evaluating training programs level 5: Return on Investment. Retrieved March 21, 2009, from http://www.dalemunson.com/ products/Kirkpatrick2Jack%20PhillipsROI.pps
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5. When group work leaves the classroom does group skills development also go out the window?