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  2. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...

  3. T-maze - Wikipedia

    en.wikipedia.org/wiki/T-maze

    A study of alternation can be performed by repeating the experiment multiple times with no reward in either arm of the maze. Another experiment that can be performed is the alternation of rewards each time the experiment is performed, proving the rat will choose the arm that was not visited each time the experiment starts.

  4. Water-level task - Wikipedia

    en.wikipedia.org/wiki/Water-level_task

    [6] [1] The experiment attempts to assess the subject's spatial reasoning. The subject is shown an upright bottle or glass with a water level marked, then shown pictures of the container tilted at different angles without the level marked and asked to mark where the water level would be.

  5. Experimenter's regress - Wikipedia

    en.wikipedia.org/wiki/Experimenter's_regress

    The scientist, in other words, has to get the right answer in order to know that the experiment is working, or know that the experiment is working to get the right answer. Experimenter's regress occurs at the "research frontier" where the outcome of research is uncertain, for the scientist is dealing with "novel phenomena".

  6. Design of experiments - Wikipedia

    en.wikipedia.org/wiki/Design_of_experiments

    The question of design of experiments is: which experiment is better? The variance of the estimate X 1 of θ 1 is σ 2 if we use the first experiment. But if we use the second experiment, the variance of the estimate given above is σ 2 /8. Thus the second experiment gives us 8 times as much precision for the estimate of a single item, and ...

  7. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

    www.aol.com/doctors-nighttime-behavior-sign...

    There are plenty of reason you might feel off in the late afternoon and evening. Maybe you’re mentally wiped after socializing all day, or your brain is fried from hours of work.

  8. Experiment - Wikipedia

    en.wikipedia.org/wiki/Experiment

    Scientific controls are a part of the scientific method. Ideally, all variables in an experiment are controlled (accounted for by the control measurements) and none are uncontrolled. In such an experiment, if all controls work as expected, it is possible to conclude that the experiment works as intended, and that results are due to the effect ...

  9. Hong Kong's Cathay Pacific apologizes for showing "Family Guy ...

    www.aol.com/hong-kongs-cathay-pacific-apologizes...

    The episode, from the first season of the American cartoon, shows Peter Griffin, the father character in the show, standing next to the "Tank Man" in a recreation of the infamous photograph.

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