431

Practiced Perception 433

Corrected Perception 435

Sensory Data Serving as Signs
of Various Sorts of Fact 437

The Perception of Space 439

Esthetic Perception 443

Social Perception 444

Errors of Perception 446

Illusions 450

Exercises 460

References 461

CHAPTER XVIII

REASONING 462

Animal and Human Exploration 463

Reasoning Culminates in Inference 465

Varieties of Reasoning 468

Deductive and Inductive Reasoning 474

Psychology and Logic 476

Exercises 480

References 480

CHAPTER XIX

IMAGINATION 481

Beginnings of Imagination
in the Child 482

Preliminary Definition of Imagination 483

Play 485

The Play Motives 488

Empathy 491

Worry 497

Day Dreams 498

Dreams 499

Freud's Theory of Dreams 505

Autistic Thinking 508

Invention and Criticism 509

The Enjoyment of Imaginative Art 512

The Psychology of Inventive Production 517

Imagination Considered in General 519

Exercises 521

References 522

CHAPTER XX

WILL 523

Voluntary and Involuntary Action 524

Development of Voluntary Control 526

Ideomotor Action 527

Conflict and Decision 528

Obstruction and Effort 535

Thought and Action 539

Securing Action 541

The Influence of Suggestion 546

Exercises 551

References 561

CHAPTER XXI

PERSONALITY 552

Factors in Personality 553

The Self 555

Integration and Disintegration
of the Personality 558

The Unconscious, or,
t