Explanation:

Donald Kirkpatrick, former Professor Emeritus at the University of Wisconsin, first published his model in 1959. He updated it in 1975, and again in 1993, when he published his best-known work, "Evaluating Training Programs."
Training is one of the best investments your organization can make. It can drive productivity, boost revenue and help you meet your strategic goals. But telling the difference between effective training and total flops is far from easy. That’s why using a training evaluation model can be helpful. With a multitude of such models to choose from, which one should you choose?

Here at Kodosurvey, we believe that there are many valuable approaches to training evaluation. Instead of there being a ‘right’ or ‘wrong’ approach to take, we recognize that every organization has its own unique set of circumstances, options and limitations. That’s why we wanted to put together this complete guide to training evaluation models and give a broad overview of the available options