Rote learning, 333, 337

Royce, 522

Ruger, 316

Sanford, 252

Satisfaction, 79, 84, 109-110, 132, 472, 487-499, 501-510, 513-517,
533-535, 540

Saturation of colors, 207-208, 213-214, 217

Scatter, 23, 273, 298, 448

Schopenhauer, 565

Science, 3-4, 473-475;
liking for, 181-182

Scott, 93, 551

Seashore, 295

Secondary personality, 559-561, 564

Selection, 256, 262. 378, 382

Self, 428, 555-558

Self-activity, 46-47

Self-assertion, 158, 161-169, 181, 183, 258-259, 287, 472-478,
489-496, 502-503, 508, 513, 515-516, 531, 536-537, 545-546, 549,
556-558

Self-criticism, 509-511

Selfishness, 557

Self-preservation, 115-116, 507

Semicircular canal, 192, 194, 195, 225, 236-238, 486

Sensation, 6, 19, 46, 60, 62-64, 120, 187-240;
and feeling, 173-174;
feeling-tone of, 174-175;
and perception, 423-425;
recall of, 368-376

Sense, cells, 189-192;
organs, 188-196, 199-200, 236-239, 249;
perception, 421-422

Sensory,
nerve, 27, 30, 32-34, 36-38, 188-189, 191, 193, 196, 239-240;
areas, 50, 59-66, 423

Setting of an object, 358

Sex,
attraction, 97, 116, 125, 147-148, 488, 507-508, 534-535;
differences, 281

Sex differences, 281

Shame, 166, 168

Shell shock, 504

Shifting of attention, 251-256

Short-circuiting in the process of learning, 338, 405, 568

Shyness, 166

Sight, 32, 34-35, 62, 191, 193-195, 204-228, 231-234, 441-443

Sign and meaning, 421, 437-446

Signal experiment, 304-305, 312

Similarity, association by, 395-396, 405-408

Size-weight illusion, 459-460

Skill, 55-59, 268, 282, 348, 352, 410-412, 428, 482, 488

Skin senses, 197-201, 224, 440, 451

Sleep, 145, 499-500

Smell, 29, 32, 62, 63, 190, 201, 203-204, 224

Snyder, 343

Sociability, 181, 183-184, 489, 492

Social, behavior, 145-151, 510. 552, 558-559;
perception, 444-446, 512, 555

Sociology, 5

Song of birds, 98-94

Sound, 228-231

Space, 439-443

Spaced repetition In learning, 341-343, 345, 390

Spaulding, 93

Span of attention, 261-262

Speech, 6, 60, 94, 98, 113, 154, 325, 402-403, 416;
centers, 57-62

Spinal cord, 29-33, 50, 52, 55, 64

Spite, 507

Staircase figure, 253

Starch, Daniel, 20, 331

Starr, 56

Statistical measures, 14-15, 280, 283-285

Stereoscope, 254, 442

Stiles, 44, 67

Stimulus, 22, 24, 26-27, 34, 40-41, 46-49, 188, 484-486, 500-501;
central, 48-49, 368, 371, 422, 468, 500, 528;
internal, 41, 47, 79,