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6 Cards in this Set
- Front
- Back
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Demand Characteristics |
- Participants use to guess what the study expects them & change their behavior accordingly |
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Evaluation Apprehension |
- Participants know that they are being evaluated and changes their behavior |
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Social Desirability |
- wants experimenter to view you favourably, thus behaving differently - tendency to answer questions in a manner that will be viewed favourably by others |
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How to control Participant effects? |
Single blind study - Info that can intro bias is kept from participants Experiments in natural settings - Not aware they are in an experiment Deception - Mislead participants about true nature of study |
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Experimenter Effect |
- Experimenter's reaction to participants' attributes (vice versa) - Experimenter may > convey expectations without being aware which then change how participants behave > unconsciously treat the group differently that confirms the hypothesis - Eg. Rosenthal & Fode (1963) Dull rats experiment |
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How to control Experimenter Effect? |
Single blind study - Experimenter/Participants does not know true aims of the experiment/involvement Double Blind - both participant & experimenter are unaware of aims of experiment Standardisation - Experimenter follows only a script Canned Experimenter - Audio/Video/Print material gives instructions |
