What I have learned is training development with technical content for technical people is an art. Most get it wrong.

Technical people, especially those with too many education credentials, tend to be too technical.

The result is needlessly complicated and comprehensive training classes. They try to make the trainee competent after two, three, or five days of training.

The focus should be on giving the trainee confidence. Keep it simple.

Focus on the necessary fundamentals and reinforce the basic principles.

Confidence, not competence, is the recipe for a winning training program.