The theorists selected may be controversial, as is the very definition of "deeper learning" but throughout learning theory, the same evidence continues to emerge on conditions and responses to the practice of learning. In regard to meaning of deeper learning, and for our narrow purposes, we like to use DiSessa's (2000) assertion that deeper learning occurs when students can “learn much more, learn it earlier and more easily, and fundamentally, learn it with a pleasure and commitment that only a privileged few now feel toward school learning."