440 INDEX Printed in the United States of America Specification, for clerical work, 109; hiring by, ill Spelling test, 90 Stenographers, typists, and comp- tometrists, Chap. VIII, 88, 93, 177 Stenquist test, 72, 124 Stop watch, 159 Substitution test, 91 Suggestion, powers of, 207; in questions, 220 Survey of clerical work, 105 Technique of giving tests, Chap. XIV, 154 Testing men assemblers, Chap. VI, 69; to specification, Chap. IX, 103; which discovers po tential skill, 350 Tests, psychological, 3; mental, 17; extensive application of, 19; testing, 20; trying out, 24; manual dexterity, 56; spatial perception, 57; Stenquist, 72; clerical, 79; typist, 90; stenog raphers, 93; comptometrists, 94; filing, 108; relative value of, no; cube, 124; form-board, 124, 152; Binet-Simon, 134; part whole relations, 140, 147; naming opposites, 141; verb object, 141; adjective noun, 141; context, 142, 146; com pletion, 142; verbal, 144; tool list, 148; vocabulary, 149; lit eracy, 150; correcting, 158; recording, 159; giving a series of, 161; trade, Chap. XVIII, 215; blue prints, 227; periodic, 279 Trade tests, Chap. XVIII, 215; preliminary trials, 228 Training course, 204 Transcription, 93 Transfers, 179, 358 Turnover among machine oper ators, 112 Types of work tested, 188 Typists, 89 Unreliability of personal judg ments, 39, 43, 233 Value of observation, 235, 242 Variability of interviewers, 14, 16 Vestibule schools, Chap. XXI, 270; definition of, 273; pur pose, 273; office, 275; teachers for, 280; factory, 282; kinds, 282; centralized, 283; services of, 288 Vocational value of tests, Chap. XV, 171 Weakness of old method of employing, 14