memory,--Technical memories,--Cramming,--Elementary memory
unimprovable,--Utility of verbal memorizing,--Measurements of immediate
memory,--They throw little light,--Passion is the important factor in
human efficiency,--Eye-memory, ear-memory, etc.,--The rate of
forgetting, Ebbinghaus's results,--Influence of the unreproducible,--To
remember, one must think and connect.

XIII. THE ACQUISITION OF IDEAS

Education gives a stock of conceptions,--The order of their
acquisition,--Value of verbal material,--Abstractions of different
orders: when are they assimilable,--False conceptions of children.

XIV. APPERCEPTION

Often a mystifying idea,--The process defined,--The law of
economy,--Old-fogyism,--How many types of apperception?--New
heads of classification must continually be invented,--Alteration of
the apperceiving mass,--Class names are what we work by,--Few
new fundamental conceptions acquired after twenty-five.

XV. THE WILL

The word defined,--All consciousness tends to action,--Ideo-motor
action,--Inhibition,--The process of deliberation,--Why so few of our
ideas result in acts,--The associationist account of the will,--A
balance of impulses and inhibitions,--The over-impulsive and the
over-obstructed type,--The perfect type,--The balky will,--What
character building consists in,--Right action depends on right
apperception of the case,--Effort of will is effort of attention: the