Learning pyramid

The learning pyramid (also known as “the cone of learning”, “the learning cone”, “the cone of retention”, “the pyramid of learning”, or “the pyramid of retention”) is a group of popular learning models and representations relating different degrees of retention induced from various type of learning. The representations is generally via percentages and discrete layers within a "pyramid of learning". The divide is generally 10, 20, 30, 50 and 90 percent.