Karen Siyuan Chen What is psychology? Philosophy Science About human Not physical aspects, but mental and behavioral things What makes human as human? Genes We are similar, but also unique. We think, feel, behave differently We have various personal talents Outer environment School education, social groups, parental raising methods Illness Physical Mental Look, learn and “I found it”! Public and private behavior? Goals in our class Learn essential concepts Know yourself better Use in daily life Examples in life Two same dolls with different color, black and white. Which is your favorite? Which one you want to play most? Which is the most pretty doll? Which is the bad one? How to quit smoking or other additions? Connect something bad with your behavior Examples in life Relationships between order of children and their personalities Raising ways, parental expectation and family responsibilities make it different Why children are more willing to express their ideas to dolls or puppets? Because they are only cute? Do you want to know these? How can I deal with all troubles in my life better? How does memory store in our brains? How to train a dog to do as what I said? Why can’t I recall the knowledge I already knew? What made people different? How the pressure of peer works? What do the infants know about the world? Why I feel so frustrated for my job? Why I get sick before exams every time? … What could psychology do? Assess --- intelligence, personality Control --- behaviors, mind Educate --- knowledge, operation process Explain --- cause, phenomenon, symptom Predict --- criminal behavior, performance Influent --- way of thinking, value system Improve --- toys, software, website, mental health Notice --- bias, stereotypes, cultural differences Quick history In 1879, Wihelm Wundt founded the first formal laboratory devoted to experimental psychology in Germany In 1892, G.Stanley Hall founded the American Psychological Association (APA). William James was the first American psychologist, published famous textbook Principles of Psychology. structuralism Vs. functionalism Structuralism WHAT the contents of mind are? ALL human mental experience could be understood as the combination of simple events or elements Reductionistic --- reduce to simple sensations Elemental --- combine parts into a whole Mentalistic --- only verbal report Functionalism HOW mental processes function? “stream of consciousness”--- functions to help humans adapt to environment Broadened the scope of psychology Allowed study of normal people, animals and patients Focused on applied or practical use in life Schools of thoughts Behaviorism • John B. Watson • Baby theory • Pattern format Training • e.g. If you are scared of taking elevator, you can overcome it after training step by step. The more you face it, the more possibilities you have to get rid of it. Schools of thoughts Psychoanalysis • Sigmund Freud, Carl Jung, Alfred Adler • Unconscious • Desire / trauma unconscious repress / change conscious • e.g. the past early family ignorance experience influenced the way of love and caring in future unconsciously. Schools of thoughts Humanistic psychology • Carl Rogers, Abraham Maslow • Positive human nature • Negative, depressed thoughts unconditional concern, encouragement, positive exceptions build up self-confidence • e.g. what you experienced was absolutely terrible, but you are so brave to come here to see me. This is your first step to success. Schools of thoughts Cognitive psychology • Gestalt psychology • • Whole, form, pattern Small parts a whole unit function • Information-Processing Theory • • Computer model Input process output Schools of thoughts Biological perspective • Genetic, biochemical bases Evolutionary • The natural selection Cultural psychology • Cross-cultural differences Theories Not all theories are truth Even it is true now, it might not work forever Observation Critical Thinking Practice Half or Full? If you saw an empty cup first? If you saw a full cup first? Why they are different? What’s in your mind? Are they happy? How do you know whether they are happy or not? How do you define “happy” in these photos? Can your definition be generalized to other cases? Is your definition precise or not? Research Methods Descriptive research methods • Naturalistic observation --- most case studies • Laboratory observation --- most experiments • Experiment --- cognitive process, medical effects • Case study --- psychotherapy, counseling, special education • Survey --- collect information Key research concepts Observer bias Errors due to personal expectation and motivation by observers e.g. half or full cup of water Operational definition The concept which used to define and measure, through specific operation or process e.g. smiling face and happiness Key Statistic Concepts Population Sample Representative sample race Key Statistic Concepts Correlational method • Establish the degree of relationship Correlation coefficient • Range from -1.00 to +1.00 • -1.00: a perfect negative correlation • 0.00: no relationship • +1.00: a perfect positive correlation • False correlation?? • e.g. efficiency and pressure, light and romance, disaster and high birth rate?? Key Statistic Concepts Experimental method Control identify cause-effect relationships Hypothesis Your prediction about the relationship Independent variable Suppose to cause a change Dependent variable Be measured and be affected by independent variables Key Statistic Concepts Confounding variables Not independent variables But could cause changes Selection bias Happens in assignment May not reflect the real changes Random assignment Avoid selection bias Each participant has an equal probability of being assigned to any groups Key Statistic Concepts Placebo effect Participant’s expectation response to treatment Placebo A control for the placebo effect Experimenter bias Researcher’s expectation voice, gestures, facial expressions Double-blind technique instructor--|assistance | -- participants Which produced violence? One student wants to exam whether the violence in TV shows is the direct reason of violent behavior on children? Do you have any ideas for that study? Who is the subject (participant)? Which is measured? How can the violent behavior be defined? Can we find direct connections between TV shows and behavior? What else will possibly influence children’s violence? I saw, I imitated, and I hit! Children will imitate whatever you act, so please be careful of your words and behaviors. Ethical issues Animals = human beings? Sign contract for participants Predict the risk No cheating Homework Find out some work positions for people learning psychology Review your research and statistic terms Go to www.apa.com and find your interest in those 50 specialties in psychology.