rnment, duty in measurement of, 120.

Habit, importance of, 234.
methods of instilling, 236.
relation to standards, 235.
relation to teaching, 235.
Habits, necessity of forming, 312.
of attention, 24.
of motions, right, 238.
standardizing of, 164.
under scientific management, 321.
Hathaway, H.K.--"Machinery," Nov., 1906, 84.
Holidays, effectiveness as reward, 303.

Idiosyncrasies, emphasis on, 50.
Iles, George--"Inventors at Work," 17.
Imagination, under scientific management, 248.
Imitation, use of, 256.
Improvement, physical, 322.
Incentives, classes of, 272.
definition of, 271.
direct, 275.
importance of, 271.
indirect, 272.
individual, 46.
relation to cooeperation, 304.
relation to interest, 242.
relation to knowledge, 304.
relation to standards, 140.
result on work of, 310.
result on worker of, 310.
under scientific management, 279.
Individual, as unit, 50.
differences respected, 246.
importance of study of, 23.
relation to class, 49.
Individuality, definition of, 21.
development of, 50.
psychological emphasis on, 22.
recognition under scientific management, 27.
recognition under transitory management, 26.
relation to instruction card, 44.
relation to standardization, 149.
relation to teaching, 46.
result upon work, 46.
result upon worker, 47.
status under traditional management, 24.
Industrial engineering, 106.
Industrial peace, relation of scientific management to, 331.
Initiative, records of, 185.
Initiative and Incentive Management, 10.
Inspector, duties of, 75.
Instruction card, as teacher, 221.
clerk, duties of, 67.
contents of, 154.
definition of, 153.
educative value of, 156.
gang, 45.
help to memory of, 176.
individuality under, 44.
language of, 157.
relation to attention, 241.
types of, 154.
Interest, relation to incentives, 242.
Interim management, 11.
Invention, fostered by comparing methods, 107.
Invention, relation scientific management, 136.
under standardization, 179.

James, William--"Psychology," 7.
"Psychology, Briefer Course," 22.
Job, long time, provision for, 83.
short time, provision for, 82.
Journeymen, teaching of, 262.
Judgment, derivation of, 250.
result of teaching, 251.
securing of, 240.

Knowledge, as an incentive, 304,
transferred under scientific management, 117.

Ladd, G.T.--definition of psychology, 22.
Le Chatelier, H.--"Discussio