The 70:20:10 framework is a useful model based on observations that generally, people learn 70% of what they need to do their job from experience. About 20% is learned from exposure to new tasks or environments. Only 10% is learned through formal education. These numbers are not firm but they provide a rule of thumb, especially for planning and resource allocation to support learning at work.
The most important aspect of 70:20:10 is that it requires leadership to hold the space so that workplace learning is connected through experience, exposure, and education. Leaders have to promote learning and themselves master fast, relevant, and autonomous learning. There is no other way to address the many wicked problems facing us today. If work is learning and learning is the work, then leadership should be all about enabling learning. Holding space means protecting the boundaries so that people can work and learn.
Read the full article from Harold Jarche.