In ProQuest, search for Publication: Training and Development or T & D starting in the 2000's; search Author: Donald Kirkpatrick. Find an article that discusses Donald Kirkpatrick's Four-Level Evaluation Model, devised in the 1970s and a standard tool in training circles, and evaluate the value and limitations of the model in practice. How would application of such a model improve training in your organization? What ways could you evaluate results if you were devising a training program?