p.4:

a. intrinsic-- reward is discovery itself; p.7 growth and maintenance of mastery are central

b. extrinsic: learning "about"-- reward based on teacher expectation (Pavlov-- reward)

Weldon-- difficulties, puzzles, and problems.

Solve a problem or make a discovery when:

impose a puzzle form onto a 

difficulty that converts it into a 

problem that can be solved.

Gets us where we want to be.

Challenge: constructing the correct inquiry

that will transform the difficulty into a

workable problem

Organize the info so it can be retrieved:

ex. chair-- forest

a. generic mediation: both made of wood

b. thematic mediation: lost child sat in little chair in the forest

c. part-whole mediation: chairs are made from trees

Allow learner to use his/her "best method" of mediation to maximize retrieval.

making material accessible in memory.