Kirkpatrick's Levels  

• Level 1 : Reaction
    How did you feel?
    Did you like it?
  
  
• Level 2 : Knowledge
    What did you learn?
    Pre (before training) and post (after   training) testing
  
  
• Level 3 : Behavior
    How did your performance change?
    Requires important decisions when   and how to evaluate.
  
  
• Level 4 : Results
    Increased efficiencies, decreased costs, increase   revenue,improved quality.
  
    Frequently thought of as "bottom line" results. This measures the   success of training in terms executives understand.