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15 Cards in this Set
- Front
- Back
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Experiment
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The deliberate Manipulation of one variable to measure its effect on another varibale. The only method that allows conclusions about cause and effect
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Independant variable (IV)
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The aspect of the research situation manipulated by the researcher
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Dependant Variable (DV)
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The aspect of the participants behaviour measured in the study
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Laboratory experiment
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An experiment carried out in very tightly controlled suroundings
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Ecological validity
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The degree to which behaviour is observed in a study reflect behaviours that actually occur in natural settings
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Field experiment
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Participants observed in natural settings. Researcher can still manipulate variables
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natural experiment
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Reseachers take advantage of a natural situation to investigate circumstances they can't manipulate.
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Independant group design
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Research uses two or more groups to make comparisions. Each group experiences one level of the IV, the DV remains constant
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Experimental group
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The particapants group that experiences the IV being tested
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Controlled group
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The participent goup that doesn't experience the IV being tested
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Repeated measures design
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A research design where the same participants are used for all conditions
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Matched pairs design
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Research involving two participent groups consisting of pairs pf individuals who are as similar as possible, often twins
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Longitudinal studies
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Same participants studies over a number of years, even a lifetime
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Sample
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Participants actually used in a study drawn from a larger population
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Cross sectional studies
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Using groups of people of different age groups to examine changes over time
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