Jost's law, 142 Language and thinking, 170 ff. Language study, 144 Latin, 116 Law, service of psychology to, 212 Learning and remembering, 138 Learning by wholes, 141 Life occupations, 205 Logical memory, 184 ff. Meaning, 163 ff. Medicine, 211 Memories, kinds of, 132 Memory, 124 ff.; and age and sex, 127; and habit, 146; and school standing, 135; and thinking, 134; factors of, 128 ff.; good, dangers resulting from, 137; kinds of, 132 Mendelian principle, 26 Mental development, 19 Mental differences, 178; detection of, 180; importance of, 201 ff. Mental functions developed, 182 Mental set, 157 Mental tests, 183 ff. Mind and body, 34 ff. Mood, 78 Moral training, 117 ff. Motive, 77 Muscular speed, 14 Museum, school, 62 ff. Musical ability, 179 Nearsightedness, 44 Needs of child, 77 Nerve tendency, 92 Norms in mental tests, 184 ff. Occupations, 205 Opposites test, 195 ff. Organization of experience, 163 ff. Pain sense, 42 Parents, and habit-formation of children, 104 ff., 119 Perception, 124 Physiological basis of memory, 126 Piano playing, 51, 97 Pitch, 41 Plasticity, 93 Play, 68 Pleasure and habit, 101 Pleasure, higher forms of, 80 Practice, 99, 113 Primary experience, 154 Psychology and culture, 218 Psychology defined, 5; method of, 13; problems of, 8 Race, development of, 18 ff.; improvement of, 30 Ranking students, 15 Reasoning, 159; training in, 168 Recalling forgotten names, 146 Recency of experience, 155 Regeneration, 23 Repetition, 99 Respect for authority, 77 Resemblance, 25 Retina, the, 37 f. Revived experience, 125 Rigidity, 108 Rote memory, 189 Rules for habit-formation, 113 Salesmanship, 215 School, and habit, 108; and moral training, 119 f. Schoolhouse, community center, 60 f. Science, 1 Scientific law, 3 Scientist, 1 ff. Securing efficiency, 218 Selecting habits, 109 Sense organs, affects of stimulating, 6, 7; knowledge through, 35 Sleight's experiment, 140 Smell, 42 Social life of children, 60 Social tendencies, 59 Stimulation, 6 Stimulus and response, 50 Study, learning how to, 132 Subnormal children, 206 Substitution test, 192 Taste, 42 Teacher, function of in memory work, 142; function of in habit-formation, 103 Teaching too abstract, 129 Temperament, 78 Tendons, sense organs in, 42 Thinking, 152 ff., 159 Touch, 42 Transfer of training, 114 ff., 140 Truancies, 61 Typewriting, 51, 94 ff. Vision, 37; importance of, 45 Visual contrast, 39 Vividness and intensity of experience, 156 Wandering, 61 Warmth, sense of, 42 Weight, diagram showing frequency surface of, 177 Word-building test, 197 Work and psychology, 218 End of Project Gutenberg's The Science of Human Nature, by William Henry Pyle