Chapter 1 Introduction

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Psychology’s Roots, Big Ideas, and Critical Thinking Tools

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SURVEY THE

CHAPTER

Psychology’s Roots

Psychological Science’s Birth and Development

THINKING CRITICALLY ABOUT: The Scientific Attitude

Contemporary Psychology

Four Big Ideas in Psychology

Big Idea 1: Critical Thinking Is Smart Thinking

Big Idea 2: Behavior Is a Biopsychosocial Event

Big Idea 3: We Operate With a Two-Track Mind (Dual Processing)

Big Idea 4: Psychology Explores Human Strengths as Well as Challenges

Why Do Psychology?

The Limits of Intuition and Common Sense

How Do Psychologists Ask and Answer Questions?

The Scientific Method

Description

Correlation

Experimentation

How Would You Know Which Research Design to Use?

Predicting Everyday Behavior

Psychology’s Research Ethics

Studying and Protecting Animals

Studying and Protecting Humans

Values in Psychology

Use Psychology to Become a Stronger Person—and a Better Student

Hoping to understand themselves and others, millions turn to psychology, as you now do. What do psychologists really know? “What do you think of me?” asked one barber, hoping for an instant personality analysis after learning that I [DM] am a psychologist. “What’s it like being married to a psychologist? Does he use his psychology on you?” people have occasionally asked my wife. “So, does your dad, like, analyze you?” my children were asked many times by friends.

Perhaps you’ve seen psychologists portrayed on television, in movies, or on popular websites. They seem to spend their time analyzing personality, examining crime scenes, testifying in court, and offering advice about parenting, love, happiness, and overcoming personal problems. Do psychologists do all these things? Yes, and much more. Consider some of the questions psychologists study that you may also wonder about:

As you will see, psychological science has produced some fascinating and sometimes surprising answers to these questions. Psychology’s roots are broad, reaching back into philosophy and biology, and its branches now spread out across the world.