Depth of Understanding and Relevance to the Topic

Readiness to Learn and Level of Challenge

Low Prior Knowledge

High Prior Knowledge

High Teachability

(ZPD)

Quadrant 2: (LH)

Low prior knowledge and high teachability (ZPD).

Quadrant 1: (HH)

High prior knowledge and high teachability (ZPD).

Low Teachability

(ZPD)

Quadrant 3: (LL)

Low prior knowledge and low teachability (ZPD).

Quadrant 4: (HL)

High prior knowledge and low teachability (ZPD).