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Experimenter,Researcher & Observer Bias watch

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    Hey,

    Can anyone tell me what Experimenter, Researcher and Observer Bias mean?

    Thank you
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    (Original post by littlemisshala)
    Hey,

    Can anyone tell me what Experimenter, Researcher and Observer Bias mean?

    Thank you

    Experimentor Bias;

    the experimentor has expectations on the outcome of the experiment and might indirectly assist the participant, thus affecting their behaviour. For further indication, look at the Rosenthal and Jacobsen study on teacher expectations and IQ. Can also relate to the Hawthorne (performance improves due to extra attention) and Greenspoon effect (reinforced by experimentor's comments)

    Researcher;

    Isnt that the same as experimentor??

    Observer;

    (Original post by Wilkipedia)
    Observer bias is error introduced into measurement when observers overemphasize behaviors they expect to find and fail to notice behaviors they do not expect. This is why medical trial are normally double blinded rather than single blinded. Observer bias can also be introduced because researchers see a behavior and interpret it according to what it means to them whereas it may mean something else to the person showing the behavior.
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    (Original post by saiyamana)
    Experimentor Bias;

    the experimentor has expectations on the outcome of the experiment and might indirectly assist the participant, thus affecting their behaviour. For further indication, look at the Rosenthal and Jacobsen study on teacher expectations and IQ. Can also relate to the Hawthorne (performance improves due to extra attention) and Greenspoon effect (reinforced by experimentor's comments)

    Researcher;

    Isnt that the same as experimentor??

    Observer;
    Thanks a bunch
 
 
 

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