welcome to psychology
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Welcome to Psychology. It’s a TERRIFIC DAY to Learn!!!!. Chapter 1 . Introduction and Research Methods. What is Psychology?. The science of behavior and mental processes Behavior—observable actions of a person or animal - PowerPoint PPT PresentationTRANSCRIPT
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Welcome to
PsychologyIt’s a
TERRIFIC DAYto Learn!!!!
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Chapter 1
Introduction and Research Methods
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What is Psychology?
The science of behavior and mental processesBehavior—observable actions of a person or
animalMind—thoughts, feelings, sensations, perceptions,
memories, dreams, motives and other subjective experiences
Science—an objective way to answer questions based on observable facts/data and well-described methods
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Philosophical Developments
A Question: How are mind and body related?
René Descartes (1596–1650)—Interactive dualism
The mind and body interact to produce conscious experience
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Philosophical Developments
Another Question: Nature vs. Nurture Are abilities determined by our genes or
our experiences? What are the interactions between
genetics and environment? What effect does it have on behavior?
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Foundations of Modern Psychology
Separated from philosophy in 19th centuryinfluences from physiology
remain
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Wilhelm Wundt (1832-1920)The “father of psychology”Founder of modern psychologyOpened the first psychology lab in 1879
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Other PioneersEdward Titchener (1867–1927)
Wundt’s student, professor at Cornell UniversityWilliam James (1842–1910)
started psychology at Harvard in 1870’s opposed Wundt’s and Titchener’s approach functionalism – influenced by Darwin to focus on
how behaviors help us adapt to the environmentSigmund Freud (1856–1939)
Austrian physician that focused on illness psychoanalytic theory of mental disorders
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E.B. Titchener (1867-1927)Analyzed the intensity, clarity and quality
of the parts of consciousnessFounder of structuralism
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William James (1842-1910)First American psychologistAuthor of the first psychology textbookFounder of Functionalism
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Sigmund Freud (1856-1939)
Founder of the psychoanalytic perspective
Believed that abnormal behavior originated from unconscious drives and conflicts
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Freud’s InfluenceInfluence on “pop culture”
Freudian slipsAnal-retentive
Influence on psychologyPsychodynamic theoryUnconscious thoughtsSignificance of childhood experiences
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Other Pioneers
John B. Watson (1878–1958) psychologists should study overt behavior
B. F. Skinner (1904–1990) American psychologist at Harvard studied learning and effect of reinforcement behaviorism
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Ivan Pavlov (1849-1936)Russian PhysiologistStudied learning in animalsEmphasized the study of observable
behaviors
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John B. Watson (1878-1958)
Founder of behaviorismStudied only observable
and objectively described acts
Emphasized objective and scientific methodology
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John B. Watson, a godfather of American behaviorist psychology, tests the grasp reflex in a baby, circa 1916-20
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B.F. Skinner (1904-1990)BehavioristFocused on learning through rewards
and observation
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We are now moving onto Perspectives…
How do we study behavior and mental processes?
7 different approaches
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Perspectives Perspective is a way of viewing phenomena Psychology has multiple perspectives
Biological Psychodynamic Behavioral Humanistic Cognitive Cross-Cultural Evolutionary
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Biological Perspective
Study the physiological mechanisms in the brain and nervous system that organize and control behavior
Focus may be at various levels individual neurons areas of the brain specific functions like eating, emotion, or learning
Interest in behavior distinguishes biological psychology from many other biological sciences
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Biological PerspectiveFocus: How our biological structures
and substances underlie a given behavior, thought, or emotion
Behavior is explained by brain chemistry, genetics, glands, etc.
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Psychoanalytic / Psychodynamic Perspective View of behavior based on experience
treating patients Psychoanalytic approach (Sigmund Freud)
both a method of treatment and a theory of the mind behavior reflects combinations of conscious and
unconscious influences drives and urges within the unconscious component of
mind influence thought and behavior early childhood experiences shape unconscious
motivations
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Psychoanalytic PerspectiveFocus: How behavior is affected by
unconscious drives and conflictsBehavior is explained through
unconscious motivation and unresolved inner conflicts from one’s childhood.
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Behavioral Perspective
View of behavior based on experience or learning Classical conditioning Operant conditioning
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Behavioral PerspectiveFocus: How we learn through
rewards, punishments, and observation
Behavior is explained by previous learning
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Humanistic Perspective Developed by Abraham Maslow and Carl
Rogers behavior reflects innate ‘actualization’ focus on conscious forces and self perception more positive view of basic forces than Freud’s
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Carl Rogers (1902–1987) Abraham Maslow (1908–1970)
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Humanistic PerspectiveFocus: How healthy people strive to
reach their full potentialBehavior is explained as being
motivated by satisfying needs (safety, hunger, thirst, etc.), with the goal of reaching one’s full potential once basic needs are met.
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Cognitive Perspective
How is knowledge acquired, organized, remembered, and used to guide behavior?
Influences include Piaget – studied intellectual development Chomsky – studied language Cybernetics – science of information processing
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Cognitive PerspectiveFocus: On how people think and process
informationBehavior is explained by how a person
interprets the situation
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Cross-Cultural Perspective
The study of psychological differences among people living in different cultural groups
How are people’s thoughts, feelings and behavior influenced by their culture?
What are the common elements across culture? Are these innate?
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Cross-Cultural PerspectiveFocus: How thinking and behavior
change depending on the setting or situation
Behavior is explained by the influence of other people present
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Evolutionary Perspective Influenced by Darwin and the emphasis on
innate, adaptive behavior patterns
Application of principles of evolution to explain behavior and psychological processes
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Evolutionary Perspective From Darwin’s theories of evolution The idea that we have the same ancestors as
primates so they can shed light into why we behave the way we do.
Used in pop-culture frequently
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Time to Move
Stand up with your notesCount off 1 to 7Wait for directions
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Find and group with your number
Ones with onesTwos with twos Etc.
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Group assignments1 - Cognitive2 – Biological3 - Social–Cultural4 – Behavioral5 - Humanistic6 – Psychoanalytical7 - Evolutionary
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Your missionYou have 5 minutes to come up
with a scenario to teach the class about your perspective.
Groups will have to present this to the class… make sure you have fun
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Let’s Review1 - Cognitive2 – Biological3 - Social–Cultural4 – Behavioral5 - Humanistic6 – Psychoanalytical7 – Evolutionary
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The Profession of Psychology
American Psychological Association has 53 divisions
Some represent areas of training and specialization (e.g., developmental, clinical)
Some are applied (i.e., teaching in psychology, psychology and the law)
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Review
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Psychology should study how behavior and mental processes allow organisms to adapt to their environments.
School/Approach Evolutionary perspective
Founder Charles Darwin
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Psychology should emphasize people’s unique potential for psychological growth.
School/Approach Humanistic
Founder Maslow
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Psychology should only study observable behavior.
School/Approach Behaviorism
Founder Watson/Skinner
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Goals of PsychologyDescribeExplainPredictControl
behavior and mental processes
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Scientific Method Formulate testable questions
Develop hypotheses Design study to collect data
Experimental Descriptive
Analyze data to arrive at conclusions Use of statistical procedures Use of meta-analysis
Report results Publication Replication
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Theory Tentative explanation for observed findings Results from accumulation of findings of
individual studies Tool for explaining observed behavior Reflects self-correcting nature of scientific
method.
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Science vs. Common Sense
Science helps build explanations that are consistent and predictive rather than conflicting and postdictive (hindsight)
Science is based on knowledge of facts developing theories testing hypotheses public and repeatable procedures
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Time to move
Please stand up with a writing utensils and paper
Await instructions
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Going for a walk We are going to walk through the building Your job is to write EVERYTHING you see… Please do not communicate with anyone
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Research Strategies Descriptive—strategies for observing and
describing behavior Naturalistic observation Case studies Surveys Correlational methods
Experimental—strategies for inferring cause and effect relationships among variables
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Definitions Hypothesis—tentative statement about the
relationship between variables Variables—factors that can vary in ways that
can be observed, measured, and verified (independent versus dependent)
Operational definition—precise description of how the variables will be measured
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Descriptive Study Describes a set of facts Does not look for relationships between facts Does not predict what may influence the facts May or may not include numerical data Example: measure the percentage of new
students from out-of-state each year since 1980
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Naturalistic Observation
Researchers directly observe and record behavior rather than relying on subject descriptions. In naturalistic observation, researcher records behavior as it occurs naturally.
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Case Study Method
Highly detailed description of a single individual
Generally used to investigate rare, unusual, or extreme conditions
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Survey Methods
Designed to investigate opinions, behaviors, or characteristics of a particular group. Usually in self-report form.
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Samples and Sampling Population—large (potentially infinite)
group represented by the sample. Findings are generalized to this group.
Sample—selected segment of the population
Representative sample—closely parallels the population on relevant characteristics
Random selection—every member of larger group has equal change of being selected for the study sample
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Correlational Study Collects a set of facts organized into two or
more categories measure parents’ disciplinary style measure children’s behavior
Examine the relationship between categories
Correlation reveals relationships among facts e.g., more democratic parents have children who behave
better
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Correlational StudyCorrelation cannot prove causation
Do democratic parents produce better behaved children?
Do better behaved children encourage parents to be democratic?
May be an unmeasured common factor e.g., good neighborhoods produce democratic
adults and well-behaved children
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Coefficient of Correlation
Numerical indication of magnitude and direction of the relationship between two variables
Positive correlation—two variables vary systematically in the SAME direction
Negative correlation—two variables vary systematically in OPPOSITE directions
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Experiments Direct way to test a hypothesis about a
cause-effect relationship between factors Factors are called variables One variable is controlled by the
experimenter e.g., democratic vs. authoritarian classroom
The other is observed and measured e.g., cooperative behavior among students
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Experimental Variables
Independent variable (IV) the controlled factor in an experiment (i.e. the one
you manipulate) hypothesized to cause an effect on another
variableDependent variable (DV)
the measured facts hypothesized to be influenced by IV
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Independent Variable
Must have at least two levels categories – male vs. female numeric – ages 10, 12, 14
Simplest is experimental vs. control group experimental gets treatment control does not
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Experimental Design Random sample—every member of the
population being studied should have an equal chance of being selected for the study
Random assignment—every subject in the study should have an equal chance of being placed in either the experimental or control group
Randomization helps avoid false results
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Sources of Bias Expectancy effects—change in DV produced
by subject’s expectancy that change should happen
Demand characteristics—subtle cues or signals by the researcher that communicate type of responses that are expected.
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Control of Bias Placebo control group—exposed to a fake IV
(placebo), the effects of which are compared to group receiving the actual IV.
Double-blind study—technique in which neither the experimenter nor participant is aware of the group to which participant is assigned
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Limitations Often criticized for having little to do with
actual behavior because of strict laboratory conditions
Ethical considerations in creating some more “real life” situations
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Ethical Guidelines Informed consent and voluntary participation Students as participants Use of deception Confidentiality of records Information about the study and debriefing
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Evaluating Media Reports
Be skeptical of sensationalist claims Goal of “shock” media is ratings Look for original sources Separate opinion from data Consider methodology and operational
definitions Correlation is not causality Skepticism is the rule in science