A four-step training evaluation methodology devised by Donald Kirkpatrick.

The first level in Donald Kirkpatrick's Four Level taxonomy of training assessment: Measures of participant satisfaction ("Reaction")

The second level in Donald Kirkpatrick's four level training assessment taxonomy: Measures of course outcomes - cognitive learning and affective disposition ("Learning").

The third level in Donald Kirkpatrick's Four Level training assessment taxonomy: Measures of on-the- job application possibly resulting from cognitive and affective change due to training ("Transfer").

The fourth level in Donald Kirkpatrick's Four Level training assessment taxonomy: Measures of effects of on-the-job behavior changes on organizational outcomes. ("Results").