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Essentials of Psychology
Benjamin B Lahey, University of Chicago

What is Psychology?


applied psychologists  Psychologists who use knowledge of psychology to solve and prevent human problems.
behavior  Directly observable and measurable human actions.
behaviorism  The school of psychology that emphasizes the process of learning and the measurement of overt behavior.
clinical method  The method of studying people while they are receiving psychological help from a psychologist.
cognition  Mental processes of perceiving, believing, thinking, remembering, knowing, deciding, and so on.
Cognitive psychology  The viewpoint in psychology that emphasizes the importance of cognitive processes, such as perception, memory, and thinking.
control group  The group in simple experiments that receives none of the independent variable and is used for comparisons with the treatment group.
correlational method  A research method that measures the strength of the relation between variables.
cultural relativity  The perspective that promotes thinking of different cultures in relative terms rather than judgmental terms.
culture  The patterns of behavior, beliefs, and values shared by a group of people.
dependent variable  The variable whose quantitative value depends on the effects of the independent variable.
ethnic group  A group of persons who are descendants of a common group of ancestors.
ethnic identity  Each person's sense of belonging to a particular ethnic group.
experimental group  The group in an experiment that receives some value of the independent variable.
formal experiment  Research method that allows the researcher to manipulate the independent variable to study its effect on the dependent variable.
functionalism  The nineteenth-century school of psychology that emphasized the useful functions of consciousness.
gender identity  One's view of oneself as male or female.
Gestalt psychology  The school of thought based on the belief that human consciousness cannot be broken down into its elements.
gestalt  An organized or unified whole.
humanistic psychology  The psychological view that human beings possess an innate tendency to improve and determine their lives by the decisions they make.
independent variable  The variable whose quantitative value can be independently controlled by the researcher.
introspection  The process of looking inward at one's own consciousness.
mental processes  Private psychological activities that include thinking, perceiving, and feeling.
motives  Internal states or conditions that activate behavior and give it direction.
naturalistic observation  A research method based on recording behavior as it occurs in natural life settings.
neuroscience perspective  The viewpoint in psychology that focuses on the nervous system in explaining behavior and mental processes.
phi phenomenon  The perception of apparent movement between two stationary stimuli.
psychoanalysis  The technique of helping persons with emotional problems based on Sigmund Freud's theory of the unconscious mind.
psychology  The science of behavior and mental processes.
quantitative measures  Capable of being measured in numerical terms.
science  Approach to knowledge based on systematic observation.
scientific methods  Methods of gathering information based on systematic observation.
social learning theory  The viewpoint that the most important aspects of our behavior are learned from other persons in society-family, friends, and culture.
sociocultural perspective  The theory of psychology that states that it is necessary to understand one's culture, ethnic identity, and other sociocultural factors to fully understand a person.
structuralism  The nineteenth-century school of psychology that sought to determine the structure of the mind through controlled introspection.
survey method  A research method that utilizes interviews and questionnaires with individuals in the community.
theories  Tentative explanations of facts and relationships in sciences.
unconscious mind  All mental activity of which we are unaware.
variable  A factor whose numerical value can change.