Psychology Concepts and Research Methods

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Behaviorist Approach

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A psychological perspective that emphasizes the role of environmental factors in shaping behavior.

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Psychoanalytic Approach

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A theory of psychology that focuses on the influence of the unconscious mind on behavior.

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Biological Approach

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A perspective that examines the physiological and genetic influences on behavior.

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Humanistic Approach

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A psychological perspective that emphasizes individual potential and stresses the importance of growth and self-actualization.

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Experimental vs. non-experimental

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Experimental research involves manipulation of variables, while non-experimental research does not.

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Dependent variable (DV)

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The variable that is measured in an experiment to see if it is affected by the independent variable.

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Confounding variables

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Variables that are not controlled in an experiment and may affect the results.

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Random assignment

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The process of assigning participants to different groups in an experiment by chance.

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Population

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The entire group of individuals that researchers are interested in studying.

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Sample

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A subset of the population selected for participation in a study.