Plato
Greek philosopher who argued for the role of nature in psychological development
Aristotle
Greek philosopher who argued for the role of nurture in psychological development
John Locke
English philosopher, started the idea of Tabula Rosa, where the mind is like a blank slate at birth, and any healthy baby can become anything
Gustav Fechner
German experimental psychologist who developed the idea of the Just Noticeable Difference (JND) which is considered to be the first empirical psychological measurement
Charles Darwin
British naturist whose theory of natural selection influenced the functionalist school and the field of evolutionary psychology
Wilhelm Wundt
German psychologist who opened one of the first psychology laboratories and helped develop the field of structuralism, used introspection (looking inside oneself to examine mental experience, and certain structures made the mind)
Edward Bradford Titchener
American psychologist who contributed to the field of structuralism
G. Stanley Hall
American psychologist who brought introspection to his lab at Johns Hopkins University in the United States; first president of the American Psychological Association
Margaret Floy Washburn
First woman to complete her PhD in psychology
William James
American psychologist who opened on of the first psychology laboratories and helped develop the field of functionalism (analyzing the purpose of behavior), wrote the first psychology textbook in 1890
Ivan Pavlov
Russian psychologist whose experiments on learning led to the principles of classical conditioning
Hermann Ebbinghaus
German psychologist who studied who studied the ability of people to remember lists of nonsense syllables under different conditions
Sigmund Freud
Austrian psychologist who founded the field of psychoanalytic/psychodynamic psychology, conscious and unconscious processes
John B. Watson
American psychologist who contributed to the field of behaviorism
Sir Frederic Bartlett
British psychologist who studied the cognitive and social processes of remembering
Jean Piaget
Swiss psychologist who developed an important theory of cognitive development in children
B. F. Skinner
American psychologist who contributed to the school of behaviorism (changing behaviors can be treatment, conditioning can be used)
Gestalt
criticized James and Wundt for not considering the “whole self”
Structuralists
Wundt, Hall, Titchener
Functionalists
James, James Cattell, John Dewey
Psychodynamic psychoanalysts
Carl Jung, Alfred Adler, Karen Horney, Heinz Kohut, and others
Humanists
Abraham Maslow, Carl Rogers, and others
Behaviorists think…
behavior results from learning
Psychoanalysts/Freud think…
unconscious internal conflicts explain mental disorders, personality, and motivation
Humanists think…
free will and personal growth shape behavior and thought
Evolutionary psychologists think…
behavior patterns are adaptations naturally selected to increase reproductive success
Cognitive psychologists think…
receiving/storing/processing information, thinking and reasoning, and language must be emphasized to understand behavior
Sociocultural psychologists think…
social/environmental factors and cultural differences must be examined to understand behavior
Biopsychosocial psychologists think…
biological processes, psychological factors, and social forces provide a more complete picture of behavior and mental processes
Clinical psychologists
evaluate and treat mental, emotional, and behavioral disorders
Counseling psychologists
help people adapt to change or make changes in their lifestyle
Developmental psychologists
study psychological development throughout the life span
Educational psychologists
focus on how effective teaching and learning take place
Forensic psychologists
apply psychological principals to legal issues
Health/positive psychologists
concentrate on biological, psychological, and social factors involved in health and illness
Industrial/organizational psychologists
aim to improve productivity and quality of work life by applying psychological principals and methods to the workplace
Neuropsychologists
explore the relationships between brain/nervous systems and behavior
Psychometricians/Psychometric psychologists/measurement psychologists
focus on methods for acquiring and analyzing psychological data
Social psychologists
focus on how a person’s mental life and behavior are shaped by interactions with other people
theory
based on facts/evidence
hypothesis
testable prediction to a theory
variables
factors with multiple values
only this can prove cause and effect
controlled experiment
population
includes all the individuals in the group to which the study applies
sample
subgroup of population
random selection
putting all the names in a hat and picking out a specified number of names, alphabetizing the roster of enrollees and choosing every fifth name, using a table of random numbers to choose participants, etc.
experimental group
receives treatment
control group
does not receive treatment
between-subjects design
the participants in the experimental group and the control group are different individuals
random assignment
minimizes existence of preexisting differences between the two groups
confounding variables
differences between the experimental group and the control group other than those resulting from the independent variable
subjects
attend the same two sessions upon which the quiz is based
operational definition
describes the specific procedure used to determine the presence of a variable
experimenter bias
phenomenon when a researchers expectations or preferences about the outcome influence the results obtained
demand characteristics
clues participants discover about the purpose of the study (rumors about the study suggesting how they should respond, etc.)
single-blind procedure
a research design in which the participants don’t know which treatment group - experimental of control - they are in
double-blind procedure
a research design in which neither the experimenter nor the participants know who is in the experimental or control groups
placebo
imitation treatment
placebo effect
describes any cases when experimental participants change their behavior in the absence of any kind of experimental manipulation
within-subjects design
a research design that uses each participant as their own control
counterbalancing
a procedure that assigns half of the participants to one treatment first and the other half of participants to the other treatment first
quasi-experimental research/research designs
similar to controlled experiments but without random assignment for particpants
correlational research
looks at the relationship between two variables without establishing cause and effect relationships
naturalistic observation
gathers descriptive information about typical behavior without manipulating behaviors
survey method
researchers use questionnaires or interviews to ask a large number of people questions about their behaviors, thoughts, or attitudes
retrospective
look at an effect and seek the cause
reliability
consistency or repeatability
validity
the extent to which an instrument measures or predicts what it is supposed to
case study
in depth examination of a specific group or single person that typically includes interviews, observations, and test scores
elementary statistics
analysis of numerical date about representative samples of populations
descriptive statistics
numbers that summarize a set of research data obtained from a sample
frequency distribution
orderly arrangement of scores indicating the frequency of each score or each group of scores
histogram
bar graph from the frequency distrobution
frequency polygon
a line graph that replaces the bars with single points and connects the points with a line
mode
most frequently occurring score in a set of research data
bimodal
two scores appear most frequently
multimodal
three or more scores appear most frequently
variability
the spread or dispersion of scores for a set of research data or distribution
standard score
enable psychologists to compare scores that are initially on different scales
correlation coefficient
statistical measure of the degree of relatedness or association between two sets of data
p-value/statistical significance
percent chance that the findings are due to chance