Chapter 1


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  • “ The soul is not separable from the body, and the same holds good of particular parts of the soul.” Aristotle, De Anima, 350 B.C.
  • Preview Question 1: How has psychology’s focus changed over time?
  • James admitted the first woman student Mary Calkins to Harvard and tutored her. Despite his efforts she was not able to attain her PhD from Harvard.
  • Ivan Pavlov a Russian Physiologist, James Watson and Skinner were all instrumental in developing the science of psychology and emphasized behavior instead of mind or mental thoughts. From 1920 to 1960, psychology in the US was heavily oriented towards behaviorism.
  • Preview Question 2: What are psychology’s current subfields?
  • Although debates arise among the psychologists working from differing perspectives, each point of view addresses important questions.
  • Preview Question 3: What four big ideas run through this book?
  • Preview Question 4: Why are the answers reached by thinking critically more reliable than ordinary common sense?
  • “ Anything seems commonplace, once explained.” Dr. Watson to Sherlock Holmes. Two phenomena – hindsight bias and judgmental overconfidence – illustrate why we cannot rely solely on intuition and common sense.
  • Preview Question 5: What are the three key attitudes of scientific inquiry?
  • Preview Question 6: How do psychologists construct theories?
  • Preview Question 6: How do psychologists construct theories?
  • Preview Question 7: What three techniques do psychologists use to observe and describe behavior?
  • Preview Question 8: Why do correlations permit prediction but not explanation, and what is an illusory correlation?
  • Preview Question 9: How do experiments clarify or reveal cause-effect relationships?
  • Preview Question 10: How does research benefit from laboratory experiments?
  • Preview Question 11: What ethical guidelines safeguard human and animal research participants?
  • Preview Question 12: How are researchers influenced by their own values, and what is psychology’s ultimate purpose?
  • Chapter 1

    1. 1. Psychology’s Roots, Big Ideas, and Critical Thinking Tools Chapter 1
    2. 2. Psychology’s Roots <ul><li>What is Psychology? </li></ul><ul><ul><li>Psychological Science Is Born </li></ul></ul><ul><ul><li>Contemporary Psychology’s Subfields </li></ul></ul>
    3. 3. <ul><li>Psychology : is the discipline concerned with behavior and mental processes and how they are affected by an organism physical state, mental state, and external environment. It is often represented by the Ψ the Greek letter psi (usually pronounced “sy”). </li></ul>
    4. 4. <ul><li>Four Big Ideas in Psychology </li></ul><ul><ul><li>Big Idea 1: Critical Thinking is Smart Thinking </li></ul></ul><ul><ul><li>Big Idea 2: Behavior is a Biopsychosocial Event </li></ul></ul><ul><ul><li>Big Idea 3: We Operate With a Two-Track Mind </li></ul></ul><ul><ul><li>Big Idea 4: Psychology Explores Human Strengths as Well as Challenges </li></ul></ul>
    5. 5. <ul><li>How Do Psychologists Ask and Answer Questions? </li></ul><ul><ul><li>The Scientific Method </li></ul></ul><ul><ul><li>Description </li></ul></ul><ul><ul><li>Correlation </li></ul></ul><ul><ul><li>Experimentation </li></ul></ul>
    6. 6. Psychology <ul><li>With hopes of satisfying curiosity, many people listen to talk-radio counselors and psychics to learn about others and themselves. </li></ul>Dr. Crane (radio-shrink) Psychic (Ball gazing)
    7. 7. Psychology’s Roots <ul><li>Aristotle (384-322 B.C.) </li></ul>Aristotle, a naturalist and philosopher, theorized about psychology’s concepts. He suggested that the soul and body are not separate and that knowledge grows from experience.
    8. 8. Psychological Science is Born Wundt and psychology’s first graduate students studied the “atoms of the mind” by conducting experiments at Leipzig, Germany, in 1879. This work is considered the birth of psychology as we know it today. Wundt (1832-1920)
    9. 9. Psychological Science is Born American philosopher William James wrote an important 1890 psychology textbook. Mary Calkins, James’s student, became the APA’s first female president. James (1842-1910) Mary Calkins
    10. 10. Psychological Science is Born Sigmund Freud, an Austrian physician, and his followers emphasized the importance of the unconscious mind and its effects on human behavior. Freud (1856-1939)
    11. 11. Psychological Science is Born Psychology originated in many disciplines and countries. It was, until the 1920s, defined as the science of mental life.
    12. 12. Psychological Science Develops <ul><li>Behaviorists </li></ul>Watson and later Skinner emphasized the study of overt behavior as the subject matter of scientific psychology. Watson (1878-1958) Skinner (1904-1990)
    13. 13. Psychological Science Develops <ul><li>Humanistic Psychology </li></ul>Maslow and Rogers emphasized current environmental influences on our growth potential and our need for love and acceptance. Maslow (1908-1970) Rogers (1902-1987)
    14. 14. Psychology Today <ul><li>We define psychology today as the scientific study of behavior (what we do) and mental processes (inner thoughts and feelings). </li></ul>
    15. 15. Psychological Associations & Societies <ul><li>The American Psychological Association is the largest organization of psychology with 160,000 members world-wide, followed by the British Psychological Society with 34,000 members. </li></ul>
    16. 16. Psychology’s Three Main Levels of Analysis
    17. 17. Psychology’s Current Perspectives Perspective Focus Sample Questions Neuroscience How the body and brain enables emotions? How are messages transmitted in the body? How is blood chemistry linked with moods and motives? Evolutionary How the natural selection of traits the promotes the perpetuation of one’s genes? How does evolution influence behavior tendencies? Behavior genetics How much our genes and our environments influence our individual differences? To what extent are psychological traits such as intelligence, personality, sexual orientation, and vulnerability to depression attributable to our genes? To our environment?
    18. 18. Psychology’s Current Perspectives Perspective Focus Sample Questions Psychodynamic How behavior springs from unconscious drives and conflicts? How can someone’s personality traits and disorders be explained in terms of sexual and aggressive drives or as disguised effects of unfulfilled wishes and childhood traumas? Behavioral How we learn observable responses? How do we learn to fear particular objects or situations? What is the most effective way to alter our behavior, say to lose weight or quit smoking?
    19. 19. Psychology’s Current Perspectives Perspective Focus Sample Questions Cognitive How we encode, process, store and retrieve information? How do we use information in remembering? Reasoning? Problem solving? Social-cultural How behavior and thinking vary across situations and cultures? How are we — as Africans, Asians, Australians or North Americans – alike as members of human family? As products of different environmental contexts, how do we differ?
    20. 20. Psychology’s Subfields: Research Psychologist What she does Biological Explore the links between brain and mind. Developmental Study changing abilities from womb to tomb. Cognitive Study how we perceive, think, and solve problems. Personality Investigate our persistent traits. Social Explore how we view and affect one another.
    21. 21. Psychology’s Subfields: Research Data: APA 1997
    22. 22. Psychology’s Subfields: Applied Psychologist What she does Clinical Studies, assesses, and treats people with psychological disorders Counseling Helps people cope with academic, vocational, and marital challenges. Educational Studies and helps individuals in school and educational settings Industrial/ Organizational Studies and advises on behavior in the workplace.
    23. 23. Psychology’s Subfields: Applied Data: APA 1997
    24. 24. <ul><li>A clinical psychologist (Ph.D.) studies, assesses, and treats troubled people with psychotherapy. </li></ul><ul><li>Psychiatrists on the other hand are medical professionals (M.D.) who use treatments like drugs and psychotherapy to treat psychologically diseased patients. </li></ul>Clinical Psychology vs. Psychiatry
    25. 25. Four Big Ideas in Psychology <ul><li>Critical Thinking is Smart Thinking </li></ul><ul><li>Behavior is a Biopsychosocial Event </li></ul><ul><li>3. We Operate with a Two-Track Mind (Dual Processing) </li></ul><ul><li>4. Psychology Explores Human Strengths as Well as Challenges </li></ul>
    26. 26. Why Do Psychology? <ul><li>How can we differentiate between uniformed opinions and examined conclusions? </li></ul><ul><li>The science of psychology helps make these examined conclusions, which leads to our understanding of how people feel, think, and act as they do! </li></ul>
    27. 27. What About Intuition & Common Sense? Many people believe that intuition and common sense are enough to bring forth answers regarding human nature. Intuition and common sense may aid queries, but they are not free of error.
    28. 28. Limits of Intuition <ul><li>Personal interviewers may rely too much on their “gut feelings” when meeting with job applicants. </li></ul>Taxi/ Getty Images
    29. 29. <ul><li>Hindsight Bias is the “I-knew-it-all-along” phenomenon. </li></ul><ul><li>After learning the outcome of an event, many people believe they could have predicted that very outcome. We only knew the stocks would plummet after they actually did plummet. </li></ul>Hindsight Bias
    30. 30. Overconfidence <ul><li>Sometimes we think we know more than we actually know. </li></ul>Anagram BARGE GRABE ENTRY ETYRN WATER WREAT How long do you think it would take to unscramble these anagrams? People said it would take about 10 seconds, yet on average they took about 3 minutes (Goranson, 1978).
    31. 31. The Scientific Attitude The scientific attitude is composed of curiosity (passion for exploration), skepticism (doubting and questioning) and humility (ability to accept responsibility when wrong).
    32. 32. Critical Thinking <ul><li>Critical thinking does not accept arguments and conclusions blindly. </li></ul><ul><li>It examines assumptions, discerns hidden values, evaluates evidence and assesses conclusions. </li></ul>The Amazing Randi Courtesy of the James Randi Education Foundation
    33. 33. <ul><li>How Do Psychologists Ask and Answer Questions? </li></ul><ul><ul><li>The Scientific Method </li></ul></ul><ul><ul><li>Description </li></ul></ul><ul><ul><li>Correlation </li></ul></ul><ul><ul><li>Experimentation </li></ul></ul>
    34. 34. How Do Psychologists Ask & Answer Questions? <ul><li>Psychologists, like all scientists, use the scientific method to construct theories that organize, summarize and simplify observations. </li></ul>
    35. 35. Scientific Method <ul><li>Identify the problem </li></ul><ul><li>Develop a hypothesis </li></ul><ul><li>Make Predictions </li></ul><ul><li>Do Experiments or Observations </li></ul><ul><li>Analyze and Interpret Data </li></ul><ul><li>Make or Draw your conclusions based on the data </li></ul>
    36. 36. <ul><li>A theory is an explanation that integrates principles and organizes and predicts behavior or events. </li></ul><ul><li>For example, low self-esteem contributes to depression. </li></ul>Theory
    37. 37. <ul><li>A hypothesis is a testable prediction, often prompted by a theory, to enable us to accept, reject or revise the theory. </li></ul><ul><li>People with low self-esteem are apt to feel more depressed. </li></ul>Hypothesis
    38. 38. <ul><li>Research would require us to administer tests of self-esteem and depression. Individuals who score low on a self-esteem test and high on a depression test would confirm our hypothesis. </li></ul>Research Observations
    39. 39. Research Process
    40. 40. <ul><li>The scientific method step </li></ul><ul><li>Course of Action </li></ul><ul><li>Identify the problem </li></ul><ul><li>Develop a hypothesis </li></ul><ul><li>Make Predictions </li></ul><ul><li>Do Experiments or Observations </li></ul><ul><li>Analyze and Interpret Data </li></ul><ul><li>Make or Draw your conclusions based on the data </li></ul><ul><li>Does smoking lead to depression </li></ul><ul><li>People who smoke are more likely to be depressed </li></ul><ul><li>people who smoke are more likely to be depressed </li></ul><ul><li>Test smokers and nonsmokers for depression </li></ul><ul><li>= amounts of depression in both groups </li></ul><ul><li>Smoking does not lead to depression </li></ul>
    41. 41. Description <ul><li>Case Study </li></ul>A technique in which one person is studied in depth to reveal underlying behavioral principles. Is language uniquely human? Susan Kuklin/ Photo Researchers
    42. 42. Survey <ul><li>A technique for ascertaining the self-reported attitudes, opinions or behaviors of people usually done by questioning a representative, random sample of people. </li></ul>
    43. 43. Survey <ul><li>Wording can change the results of a survey. </li></ul><ul><li>Q: Should cigarette ads and pornography be allowed on television? (not allowed vs. forbid) </li></ul>Wording Effects
    44. 44. Survey <ul><li>If each member of a population has an equal chance of inclusion into a sample, it is called a random sample (unbiased). If the survey sample is biased, its results are not valid. </li></ul>Random Sampling The fastest way to know about the marble color ratio is to blindly transfer a few into a smaller jar and count them.
    45. 45. Naturalistic Observation <ul><li>Observing and recording the behavior of animals in the wild and recording self-seating patterns in a multiracial school lunch room constitute naturalistic observation. </li></ul>Courtesy of Gilda Morelli
    46. 46. Descriptive Methods Case studies, surveys, and naturalistic observation describe behaviors. Summary
    47. 47. Correlation <ul><li>Correlation Coefficient is a statistical measure of the relationship between two variables. </li></ul>When one trait or behavior accompanies another, we say the two correlate. r = 0.37 + Correlation coefficient Indicates direction of relationship (positive or negative) Indicates strength of relationship (0.00 to 1.00)
    48. 48. Correlation and Causation or Correlation does not mean causation!
    49. 49. Illusory Correlation <ul><li>The perception of a relationship where no relationship actually exists. Parents conceive children after adoption. </li></ul>Michael Newman Jr./ Photo Edit Confirming evidence Disconfirming evidence Do not adopt Disconfirming evidence Confirming evidence Adopt Do not conceive Conceive
    50. 50. <ul><li>Given random data, we look for order and meaningful patterns. </li></ul>Order in Random Events Your chances of being dealt either of these hands is precisely the same: 1 in 2,598,960.
    51. 51. Order in Random Events <ul><li>Given large numbers of random outcomes, a few are likely to express order. </li></ul>Angelo and Maria Gallina won two California lottery games on the same day. Jerry Telfer/ San Francisco Chronicle
    52. 52. Experimentation <ul><li>Like other sciences, experimentation is the backbone of psychological research. Experiments isolate causes and their effects. </li></ul>Exploring Cause and Effect
    53. 53. <ul><li>Many factors influence our behavior. Experiments (1) manipulate factors that interest us, while other factors are kept under (2) control . </li></ul><ul><li>Effects generated by manipulated factors isolate cause and effect relationships. </li></ul>Exploring Cause & Effect
    54. 54. <ul><li>In evaluating drug therapies, patients and experimenter’s assistants should remain unaware of which patients had the real treatment and which patients had the placebo treatment. </li></ul>Evaluating Therapies Double-blind Procedure
    55. 55. <ul><li>Assigning participants to experimental (breast-fed) and control (formula-fed) conditions by random assignment minimizes pre-existing differences between the two groups. </li></ul>Evaluating Therapies Random Assignment
    56. 56. <ul><li>An independent variable is a factor manipulated by the experimenter. The effect of the independent variable is the focus of the study. </li></ul><ul><li>For example, when examining the effects of breast feeding upon intelligence, breast feeding is the independent variable. </li></ul>Independent Variable
    57. 57. <ul><li>A dependent variable is a factor that may change in response to an independent variable. In psychology, it is usually a behavior or a mental process. </li></ul><ul><li>For example, in our study on the effect of breast feeding upon intelligence, intelligence is the dependent variable. </li></ul>Dependent Variable
    58. 58. Experimentation A summary of steps during experimentation.
    59. 59. Comparison Below is a comparison of different research methods.
    60. 60. Frequently Asked Questions About Psychology <ul><li>Q1. Can laboratory experiments illuminate everyday life? </li></ul><ul><li>Ans: Artificial laboratory conditions are created to study behavior in simplistic terms. The goal is to find underlying principles that govern behavior. </li></ul>
    61. 61. FAQ <ul><li>Q2 . Does behavior depend on one’s culture and gender? </li></ul><ul><li>Ans : Even when specific attitudes and behaviors vary across cultures, as they often do, the underlying processes are much the same. Biology determines our sex, and culture further bends the genders. However, in many ways woman and man are similarly human. </li></ul>Ami Vitale/ Getty Images
    62. 62. FAQ <ul><li>Q3. Why do psychologists study animals, and is it ethical to experiment on animals? </li></ul><ul><li>Ans : Studying animals gives us the understanding of many behaviors that may have common biology across animals and humans. From animal studies, we have gained insights to devastating and fatal diseases. All researchers who deal with animal research are required to follow ethical guidelines in caring for these animals. </li></ul>D. Shapiro, © Wildlife Conservation Society
    63. 63. FAQ <ul><li>Q4. Is it ethical to experiment on people? </li></ul><ul><li>Ans : Yes. Experiments that do not involve any kind of physical or psychological harm beyond normal levels encountered in daily life may be carried out. </li></ul>
    64. 64. FAQ <ul><li>Q5. Is psychology free of value judgments? </li></ul><ul><li>Ans : No. Psychology emerges from people who subscribe to a set of values and judgments. </li></ul>© Roger Shepard
    65. 65. FAQ <ul><li>Q6. Is psychology potentially dangerous? </li></ul><ul><li>Ans : It can be, but is not when practiced responsibly. The purpose of psychology is to help humanity with problems such as war, hunger, prejudice, crime, family dysfunction, etc. </li></ul>