question

theory

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A tentative explanation that tries to integrate and account for the relationship of various findings and observations (p. 20).

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replicate

answer

To repeat or duplicate a scientific study in order to increase confidence in the validity of the original findings (p. 19).

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meta-analysis

answer

A statistical technique that involves combining and analyzing the results of many research studies on a specific topic in order to identify overall trends (p. 19).

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operational definition

answer

A precise description of how the variables in a study will be manipulated or measured (p. 18).

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statistically significant

answer

A mathematical indication that research results are not very likely to have occurred by chance (p. 18).

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variable

answer

A factor that can vary, or change, in ways that can be observed, measured and verified. (p. 17).

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critical thinking

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The active process of minimizing preconceptions and biases while evaluating evidence, determining the conclusions that can reasonably be drawn from evidence, and considering alternative explanations for research findings or other phenomena. (p. 17).

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scientific method

answer

A set of assumptions, attitudes, and procedures that guide researchers in creating questions to investigate, in generating evidence, and in drawing conclusions. (p. 16).

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hypothesis

answer

(high-POTH-eh-sis) A tentative statement about the relationship between two or more variables; a testable prediction or question (p. 16).

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empirical evidence

answer

Verifiable evidence that is based upon objective observation, measurement, and/or experimentation (p. 16).

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psychiatry

answer

Medical specialty area focused on the diagnosis, treatment, causes, and prevention of mental and behavioral disorders (p. 15).

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ethnocentrism

answer

The belief that one's own culture or ethnic group is superior to all others, and the related tendency to use one's own culture as a standard by which to judge other cultures. (pp. 13, 471).

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cross-cultural psychology

answer

Branch of psychology that studies the effects of culture on behavior and mental processes (p. 13).

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culture

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The attitudes, values, beliefs, and behaviors shared by a group of people and communicated from one generation to another (p. 13).

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collectivistic cultures

answer

Cultures that emphasize the needs and goals of the group over the needs and goals of the individual (p. 13).

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individualistic cultures

answer

Cultures that emphasize the needs and goals of the individual over the needs and goals of the group (p. 13).

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evolutionary psychology

answer

The application of principles of evolution, including natural selection, to explain psychological processes and phenomena (p. 12).

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positive psychology

answer

The study of positive emotions and psychological states, positive individual traits, and the social institutions that foster positive individuals and communities (p. 11).

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neuroscience

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The study of the nervous system, especially the brain (pp. 10, 44).

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humanistic psychology

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The theoretical viewpoint on personality that generally emphasizes the inherent goodness of people, human potential, self-actualization, the self-concept, and healthy personality development (pp. 9, 433).

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behaviorism

answer

School of psychology and theoretical viewpoint that emphasize the scientific study of observable behaviors, especially as they pertain to the process of learning (pp. 8, 190).

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psychoanalysis

answer

A type of psychotherapy originated by Sigmund Freud in which free association, dream interpretation, and analysis of resistance and transference are used to explore repressed or unconscious impulses, anxieties, and internal conflicts (pp. 7, 420, 582)

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functionalism

answer

Early school of psychology that emphasized studying the purpose, or function of behavior and mental experiences (p. 5).

question

structuralism

answer

Early school of psychology that emphasized studying the most basic components, or structures, or conscious experiences (p. 4).

question

psychology

answer

The scientific study of behavior and mental processes (p. 3).

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magnetic resonance imaging (MRI)

answer

A noninvasive imaging technique that produces highly detailed images of the body's structures and tissues using electromagnetic signals generated by the body in response to magnetic fields (p. 34).

question

positron emission tomography (PET scan)

answer

An invasive imaging technique that provides color-coded images of brain activity by tracking the brain's use of radioactively tagged compound, such as glucose, oxygen, or a drug (p. 34).

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functional magnetic resonance imaging (fMRI)

answer

A noninvasive imaging technique that uses magnetic fields to map brain activity by measuring changes in the brain's blood flow and oxygen levels (p. 34).

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natural experiment

answer

A study investigating the effects of a naturally occurring event on the research participants (p. 32).

question

control group or control condition

answer

In an experiment, the group of participants who are exposed to all experimental conditions, except the independent variable; the group against which changes in the experimental group are compared (p. 30).

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main effect

answer

Any change that can be directly attributed to the independent or treatment variable after controlling for other possible influences (p. 29).

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random assignment

answer

The process of assigning participants to experimental conditions so that all participants have an equal chance of being assigned to any of the conditions or groups in the study (p. 28).

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double-blind technique

answer

An experimental control In which neither the participants nor the researchers interacting with the participants are aware of the group or condition to which the participants have been assigned (p. 28).

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demand characteristics

answer

In a research study, subtle cues or signals expressed by the researcher that communicate the kind of response or behavior that is expected from the participant (p. 28).

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placebo effect

answer

Any change attributed to a person's beliefs and expectations rather than an actual drug, treatment, or procedure; also called expectancy effect (p. 28).

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placebo

answer

A fake substance, treatment, or procedure that has no known direct effects (p. 27).

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practice effect

answer

Any change in performance that results from mere repetition of a task (p. 28).

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independent variable

answer

The purposely manipulated factor thought to produce change in an experiment, also called the treatment variable (p. 27).

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experimental method

answer

A method of investigation used to demonstrate cause-and-effect relationships by purposely manipulating one factor thought to produce change in another factor (p. 27).

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extraneous variable

answer

A factor or variable other than the ones being studied that, if not controlled could affect the outcome of an experiment, also called a confounding variable (p. 27).

question

experimental group or experimental condition

answer

In an experiment, the group of participants who are exposed to all experimental conditions, including the independent variable (p. 27).

question

dependent variable

answer

The factor that is observed and measured for change in an experiment, thought to be influenced by the independent variable; also called the outcome variable (p. 27).

question

correlational study

answer

A research strategy that allows the precise calculation of how strongly related two factors are to each other (p. 25).

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representative sample

answer

A selected segment that very closely parallels the larger population being studied on relevant characteristics' (p. 24).

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survey

answer

A questionnaire or interview designed to investigate the opinions, behaviors, or characteristics of a particular group (p. 24).

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random selection

answer

Process in which subjects are selected randomly from a larger group such that every group member has an equal chance of being included in the study (p. 4).

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pseudoscience

answer

A fake or false science that makes claims based on little or no scientific evidence (p. 22).

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case study

answer

An intensive study of a single individual or small group of individuals (p. 22).

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naturalistic observation

answer

The systematic observation and recording of behaviors as they occur in their natural setting (p. 21).

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descriptive research methods

answer

Scientific procedures that involve systematically observing behavior in order to describe the relationship among behaviors and events (p. 21).

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comparative psychology

answer

Branch of psychology that studies the behavior or different animal species (p. 36).

question

Wilhelm Wundt (1832-1920)

answer

German physiologist who founded psychology as a formal science; opened first psychology research laboratory in 1879 (p. 4).

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John B. Watson (1878-1958)

answer

American psychologist who founded behaviorism, emphasizing the study of observable behavior and rejecting the study of mental processes (p. 8).

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Margaret Floy Washburn (1871-1939)

answer

American psychologist who was the first woman to earn a doctorate in psychology in the United States; published research on mental processes in animals (p. 6).

question

Edward B. Titchener (1867-1927)

answer

British-born American psychologist who founded structuralism, the first school of psychology (p. 4).

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Francis C. Sumner (1895-1954)

answer

American psychologist who was the first African American to receive a doctorate in psychology in the United States; chaired Howard University psychology department (p. 6).

question

B.F. Skinner (1904-1990)

answer

American psychologist and leading proponent of behaviorism; developed a model of learning called operant conditioning, discussed in Chapter 5; emphasized studying the relationship between environmental factors and observable behavior (p. 8).

question

Carl Rogers (1902-1987)

answer

American psychologist who founded the school of humanistic psychology (p. 9).

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Ivan Pavlov (1849-1936)

answer

Russian physiologist whose pioneering research on learning contributed to the development of behaviorism; discovered the basic learning process that is now called classical conditioning, discussed in Chapter 5 (p. 8).

question

Abraham Maslow (1908-1970)

answer

American humanistic psychologist who developed a theory of motivation (p. 9).

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William James (1842-1910)

answer

American philosopher and psychologist who founded psychology in the United States and established the psychological school called functionalism (p. 5).

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G. Stanley Hall (1844-1924)

answer

American psychologist who established the first psychology research laboratory in the United States; founded the American Psychological Association (p. 6).

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Sigmund Freud (1856-1939)

answer

Austrian physician and founder of psychoanalysis (p. 7).

question

Charles Darwin (1809-1882)

answer

English naturalist and scientist whose theory of evolution through natural selection was first published in "On the Origin of Species" in 1859 (p. 5).

question

Mary Whiton Calkins (1863-1930)

answer

American psychologist who conducted research on memory, personality, and dreams; established one of the first U.S. psychology research laboratories; first woman president of the American Psychological Association (p. 6).

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