You did not get it because I never mentioned knowledge and practice to you. Read my suggestion very well and show me those two words (knowledge and practice) you used. However, if it is knowledge you want to measure, it is as simple as…"
"Please, all the stuff you have read, set them aside for now (The stuff might help anyway). But get this: If you know the difference between attitude and behaviour, logically you can measure either attitudinal change or behavioural change without…"