SUBJECT INDEX 



537 



on psychological functions, 345, 348 

 engine-room, 345, 346, 348, 350 

 field studies, 348, 350, 352 

 firing range, 351 

 frequency characteristics, 351 

 high and low frequency, 350 

 in airplanes, 349, 352 

 in detection and defense, 345 

 individual differences in effects of, 351 

 induced hearing loss 



and initial deafness, 347 



course of onset, 346 



duration of exposure, 347 



frequency of greatest loss, 347, 352 



persistence, 345, 352 



range, 346, 352 



recovery, 345, 346, 352 

 in submarines, 345, 350, 352 



blowing up, 345 



conning space, 352 



control areas, 352 



Diesel engine, 233 



submerged, 352 



under night attack, 352 

 in surface vessels, 345, 352 

 in tanks, 350 



interrupted and continuous, 350, 352 

 level, 351, 352 



manufacturing and construction, 347 

 meaning of, 350 

 overside, 345 

 protection, 350, 352 

 reduction of transmission, 350 

 reverberation reduction, 350 

 simulated battle, 351 

 spectrum, 345, 350 

 studies prior to 1930, 351 

 suppression at source, 350 

 susceptibility 



screening, 351 

 thermal (See Noise, white) 

 trauma, 351, 352 

 unexpected, 350 

 white, 222 

 Number preferences, 85 

 Nutrition 

 minerals, 312 

 proteins, 312 

 research, 311 



methods, 314, 324 



trends, 312 

 requirements 



interspecific differences, 313, 324 



intraspecific differences, 314 

 status 



criteria, 312 

 vitamins, 312 

 Nystagmus, 403, 405, 407 



Operational analysis 



system variables, 149 

 Operator 



as servo system, 143 



as transmission system, 142 



design, 147 

 Otolith (See Ear, inner) 



Panel design, 153 

 evaluation, 171 

 layout principles, 153 

 need for research, 153, 169, 173 

 practical problems, 169, 173 

 Peak clipping 



recommended, 246 

 Perception 



auditory (See Auditory) 

 Performance 

 criteria 

 amount of output, 348 

 bonus figures, 348 

 speed of work, 348 

 Personality 

 assessment 



for leadership, 502 

 problem, 499 

 total, 501, 510 

 performance 



criteria, 502 

 screening 



psychiatric interviews, 500, 501 

 questionnaires, 500 

 structure, 441, 456 

 Personnel 

 classification 

 in the field, 493 

 use of judgment, 494 

 placement, 455, 492, 494 

 selection, 234, 350, 419, 455, 491, 610 



biographical data, 498 

 training, 234, 236, 498, 505, 510 

 error analysis, 510 

 methods and curricula, 506 

 officers 



for dealing with emotional stress, 458 

 organization, 505 

 transfer, 509 

 Phonemes 

 importance of consonants, 239 

 relative energy, 239 

 Phosphor screens 



types, 102 

 Photometry, 47 

 standardization, 48 



techniques, 50 - 



effect of individual differences, 51 

 low luminance, 52 



