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  2. Experimenter's regress - Wikipedia

    en.wikipedia.org/wiki/Experimenter's_regress

    In science, experimenter's regress refers to a loop of dependence between theory and evidence. In order to judge whether a new piece of evidence is correct we rely on theory-based predictions, and to judge the value of competing theories we rely on existing evidence. Cognitive bias affects experiments, and experiments determine which theory is ...

  3. Category:Experimental bias - Wikipedia

    en.wikipedia.org/wiki/Category:Experimental_bias

    Bias that is introduced at some stage during experimentation or reporting of research. It is often introduced by, or alleviated by, the experimental design . Pages in category "Experimental bias"

  4. Experimental uncertainty analysis - Wikipedia

    en.wikipedia.org/wiki/Experimental_uncertainty...

    Download QR code; Print/export ... but in practical experiments this bias can be, and will be, ... NOTES: BVN is bivariate Normal PDF. “n” is the sample size.

  5. Observer bias - Wikipedia

    en.wikipedia.org/wiki/Observer_bias

    Another key example of observer bias is a 1963 study, "Psychology of the Scientist: V. Three Experiments in Experimenter Bias", [9] published by researchers Robert Rosenthal and Kermit L. Fode at the University of North Dakota. In this study, Rosenthal and Fode gave a group of twelve psychology students a total of sixty rats to run in some ...

  6. Observer-expectancy effect - Wikipedia

    en.wikipedia.org/wiki/Observer-expectancy_effect

    The observer-expectancy effect [a] is a form of reactivity in which a researcher's cognitive bias causes them to subconsciously influence the participants of an experiment. Confirmation bias can lead to the experimenter interpreting results incorrectly because of the tendency to look for information that conforms to their hypothesis, and ...

  7. Observer effect - Wikipedia

    en.wikipedia.org/wiki/Observer_effect

    Observer-expectancy effect, a form of reactivity in which a researcher's cognitive bias causes them to unconsciously influence the participants of an experiment; Observer bias, a detection bias in research studies resulting for example from an observer's cognitive biases

  8. Scientific control - Wikipedia

    en.wikipedia.org/wiki/Scientific_control

    Controls eliminate alternate explanations of experimental results, especially experimental errors and experimenter bias. Many controls are specific to the type of experiment being performed, as in the molecular markers used in SDS-PAGE experiments, and may simply have the purpose of ensuring that the equipment is working properly.

  9. Objectivity (science) - Wikipedia

    en.wikipedia.org/wiki/Objectivity_(science)

    Another methodological aspect is the avoidance of bias, which can involve cognitive bias, cultural bias, or sampling bias. Methods for avoiding or overcoming such biases include random sampling and double-blind trials. [3] However, objectivity in measurement can be unobtainable in certain circumstances.