Of course training and capability development is a really important change leaver that can have a powerful impact if used in conjunction with the many other levers that you can pull.
Holger Nauheimer published a Change Journey Map that helps people understand all of the different aspects of change that need to be addressed in order to be successful. The concept is simple but I like the insights he provides into the various places where you need to visit on your journey.
The Mall of Human Needs - a place to explore people's aspirations and potential reasons for resistance or The Gym of Skills and Capabilities - where we identify and grow the essential skills we need for the future.
If you are involved in change (who isn't..) the it is worth taking a look. If you want to know more then take a look at this video