PSYC 300 Lecture Notes - Lecture 14: Naturalistic Observation, Advantageous, Statism

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Independent variable- the experimental manipulation: known as predictor variable in correlational studies. Interval scale- when equal distances between scores on a measure are known to correspond to equal changes in the conceptual variable. Internal consistency- the extent to which the scores on the items of a scale correlate with each other and thus all measuring true score rather than random error. Surveys: survey- series of self- report measures through an interview or written questionnaire, mostly widely used with group of people, snap shot of opinions or attitudes. Interviews- type of survey, helps interview grasp person: unstructured- talks freely about many topics, focus group- type of unstructured interview, structured- easier to compare, objective, questionnaire- cheaper, without supervision, filled out, fixed format. Case studies: case studies- descriptive records of one or more individuals experiences and behavior, problem- based on experience of only a limited number or unusual individuals, cannot usually tell us about larger population, or reasons why it occurred.

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