What Tntp Training actually means
The phrase Tntp Training gets used loosely enough that it is worth pinning down before going any further.
Two words, two jobs: Tntp names the approach and Training names who or what it is for. Most confusion comes from treating them as one idea.
The reason team leads, trainers and people responsible for onboarding end up here is rarely academic curiosity. It is usually a specific stuck point, and Tntp Training turns out to be the name for it.
The questions worth asking
Start where the understanding actually is rather than where the syllabus says it should be: What would you do first if this went wrong on your shift?
Then test the reasoning rather than the recall: Who would you need to talk to, and what would you ask them? Two questions, asked in that order, do more here than a page of explanation.
Where people go wrong
Where this usually goes wrong is that a completed training module means the process is understood — a mistake that is invisible until something unfamiliar turns up.
Putting it into practice
In practice this means walking through a real scenario aloud and being asked why at each decision point.
You will know it is working when escalations drop because people can reason from the principle rather than the script.
Where to go next
If this is the thing you are stuck on, start with the onboarding question sets in the resources section, then a demo using one of your own procedures.