Egan's 2010 book and educational program proposing that each student be assigned a single topic to study across their entire school career — a counterintuitive innovation designed to develop all five kinds of understanding through sustained engagement with a single domain.
Learning in Depth is Egan's most radical practical proposal: assign each student a topic on their first day of school and let them study it for the next twelve years. One child gets apples. Another gets dust. Another gets circuses or bridges or birds. The student builds a portfolio, develops expertise, and — crucially — develops each kind of understanding in sequence as her engagement with the topic deepens. The mythic child treats apples through story and metaphor. The romantic adolescent pursues extremes — the largest apple ever grown, the oldest orchard, the strangest variety. The philosophic student constructs frameworks connecting horticulture, nutrition, economics, and cultural history. The ironic scholar recognizes how her accumulated expertise shapes what she can see and what she cannot.
Learning in Depth
In The You On AI Field Guide
The proposal responded to Egan's central critique of conventional schooling: that it covers enormous content without developing deep understanding of