Nikhilesh’s Reviews > E-Learning and the Science of Instruction: Proven Guidelines for Consumers and Designers of Multimedia Learning > Status Update

"In other words, you
can reduce extraneous cognitive load by initially relying on worked examples
that promote borrowing and then transition into practice exercises that help
learners consolidate and automate new knowledge and skills."

It has really useful stuff like this but you have to dig it out from the research and academia jargon.