INDEX 439 
Language and literacy tests, 
Chap. XIII, 92, 140 
Loyalty, 219 
Machine operators, Chap. X, 112; 
turnover among, 112; correla 
tions, 119; grading, 122 
Manual dexterity tests, 56 
Measure of comparative produc 
tiveness, Chap. XXII, 297 
Measuring by limited impressions, 
Chap. XXIII, 320 
Mechanical hiring, 239 
Medicine, evolution of, 7 
Mental tests, definition, 17 
Method, scientific, 10; “Hire and 
fire,” 13; of trying-out tests, 
24; of starting tests, 157 
Moral qualities, discovering, 197, 
202, 270, 277, 304 
National Association of corpora 
tion schools, 171 
Nervousness of applicants, 155 
Numerical substitution tests, 97 
Preliminary trials of trade tests, 
228 
Preventing old employees from 
leaving, 357 
Production records, 191 
Productiveness of employee, 302; 
measuring, 307 
Promotions, 264, 321 
Psychological tests, 3; standards, 
46 
Psychology, Employment, de 
fined, Chap. I, 3, 5, 13; early 
ideas of, 9 
Qualities of workers to be marked, 
324 
Questions, importance, 215; sug 
gestions in, 220; to gun as 
semblers, 224 
Recording tests, 159 
Requirements of assembling, 71 
Requisition for clerks, 105 
Rhythm, 118, 121 
Routine workers, 182 
Observation, value of, 235, 24 2 
Observing appearances, Chap. 
XIX, 231; relevant actions, 245 
Office vestibule school, 275 
Operators, slow and fast, 120 
Part whole relations tests, 140 
Pencils, use of, 165 
Personal judgments, unreliability 
of, 39, 43, 84, 233, 330 
Practical combination of em 
ployment methods, Chap. 
XXIV, 340 
Schools, apprentice, 128 
Science, derivation, 11 
Scientific method, 10; application 
of the word, 11 
Scope of psychological tests, 
Chap. XVI, 188 
Scott three-hole test, 120 
Selecting girls as assemblers, 
Chap. IV, S3 
Shell inspection, description, 24; 
analysis of, 25 
Shock absorbers, 155 
Spatial perception tests, 57