myers’ exploring psychology (6th ed) chapter 1 thinking critically with psychological science
TRANSCRIPT
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Myers’ EXPLORING PSYCHOLOGY (6th Ed)
Chapter 1
Thinking Critically with Psychological
Science
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Psychology’s Roots
Prescientific Psychology Is the mind connected
to the body or distinct? Are ideas inborn or is
the mind a blank slate filled by experience?
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Psychology’s Roots
Prescientific Psychology ________________
knowledge comes from experience via the senses
science flourishes through observation and experiment
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Psychology’s Roots
_______________ opened the first psychology laboratory at the University of Leipzig (c. 1879).
Studied reaction time
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Psychology’s Trends
Prescientific Psychology Scientific Psychology (Wundt) Psychodynamic Psychology (Freud) Behavioral Psychology (Watson) Cognitive Psychology (Beck & Ellis) Biological Psychology
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Psychology’s Roots
Definition of Psychology The ___________ study of behavior (what we
do) and mental processes (sensations, perceptions, dreams, thoughts, beliefs, and feelings) Behaviors-objective and observable Mental Processes-subjective and unobservable
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Contemporary Psychology
Are we born as blank slates?
__________________ Controversy the longstanding controversy over
the relative contributions that genes and experience make to development of psychological traits and behaviors
Evidence suggests complex interaction of both genetic and environmental forces
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Contemporary Psychology
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Contemporary Psychology
Psychology’s Subfields Biological Psychology
Exploring the function of the brain and its effects on behavior
_____________ Psychology Study of changes that occur over the life span
Cognitive Psychology Study of how we perceive, think, and solve problems
Social Psychology Study of how we view and affect one another
Personality Psychology Investigating our inner traits
Clinical Psychology _____________________________________
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Why Study Psychology?
Psychologists, like all scientists, use the scientific method to construct theories that organize observations and imply testable hypotheses
The study of psychology helps us organize and understand ourselves and our relationships with the world around us
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The Scientific Attitude
_________________ thinking that does not
blindly accept arguments and conclusions examines assumptions discerns hidden values evaluates evidence assesses conclusions
The Amazing Randi--Skeptic
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The Scientific Method
Theory an explanation using an integrated set of
principles that organizes and predicts observations
__________________ a testable prediction often implied by a theory
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The Scientific Method
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Description
Psychologists describe behavior using case studies, surveys, and naturalistic observation
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Description
_______________ observation
technique in which one person is studied in depth in the hope of revealing universal principals
Is language uniquely human?
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Description
_____________ technique for ascertaining the self-
reported attitudes or behaviors of people
usually by questioning a representative, random sample of people
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Description
Population all the cases in a group, from which
samples may be drawn for a study _______________________
a sample that fairly represents a population because each member has an equal chance of inclusion
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Description
________________ observing and
recording behavior in naturally occurring situations without trying to manipulate and control the situation
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Correlation ________________
The relationship between the occurrences of two factors Helps us predict outcomes Does not reveal causation
_________________ a statistical measure of the extent to which two factors vary together,
and thus how well either factor predicts the other
Correlation coefficient
Indicates directionof relationship
(positive or negative)
Indicates strengthof relationship(0.00 to 1.00)
r = +.37
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Correlation
Three Possible Cause-Effect Relationships
(1)Low self-esteem
Depression
(2)Depression
Low self-esteem
Low self-esteem
Depression
(3)Distressing events
or biologicalpredisposition
could cause
could cause
could cause
or
or
and
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Experimentation
Experiment an investigator manipulates one or more
factors (independent variables) to observe their effect on some behavior or mental process (the dependent variable)
by random assignment of participants the experiment controls other relevant factors
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Experimentation _____________ Procedure
both the research participants and the research staff are ignorant (blind) about whether the research participants have received the treatment or a placebo
commonly used in drug-evaluation studies _______________
an inert substance or condition that may be administered instead of a presumed active agent, to see if it triggers the effects believed to characterize the active agent
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Experimentation
Experimental Condition the condition of an experiment that
exposes participants to the treatment, that is, to one version of the independent variable
Control Condition the condition of an experiment that
contrasts with the experimental treatment serves as a comparison for evaluating the
effect of the treatment
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Experimentation
___________________ assigning participants to experimental
and control conditions by chance minimizes pre-existing differences
between those assigned to the different groups
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Experimentation
______________Variable the experimental factor that is
manipulated the variable whose effect is being studied
_____________Variable the experimental factor that may change
in response to manipulations of the independent variable
in psychology it is usually a behavior or mental process
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Experimentation
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Frequently Asked Questions About Psychology
Is psychology free of value judgments?
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Frequently Asked Questions About Psychology
How much of ourselves do we put in to that which we study?