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10 Cards in this Set
- Front
- Back
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Extraneous Variables
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A variable which could affect the DV but can be controlled if known
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Random Variables
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Something that varies due to chance - Impossible to control A kind of extraneous variable |
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Confounding Variables
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A variable which has an intentional effect on the DV - can be anticipated and controlled A kind of extraneous variable |
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Independent Variable
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Purposely varied to observe effect aka manipulated variable Causes DV |
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Dependant Variable
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Measured and recorded (data of experiment) aka responding variable Changes due to IV |
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Situational Variable (Confounding Variable)
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a factor in the environment that can unintentionally affect the results of a study e.g noise, temperature, smells, and lighting Should try to be controlled so they don't effect the DV |
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Experimenter Variables (Confounding Variable)
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Experimenter and expectancy effect; Where an experimenter unconsciously effects the behaviour of the participants A bias towards achieving the aims of an experiment, influencing the objectivity of the research |
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Participant Variables (Confounding Variable)
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Participant peculiarities that can influence results. |
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Hawthorne Effect
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changes in behaviour due to attention that participants believe they are getting from researchers not the variable(s) manipulated by the researchers |
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Demand Characteristics Variable
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Participants form an interpretation of the experiment's purpose and unconsciously change their behavior to fit that interpretation
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