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  2. Experimental design diagram - Wikipedia

    en.wikipedia.org/wiki/Experimental_design_diagram

    Experimental Design Diagram (EDD) is a diagram used in science to design an experiment.This diagram helps to identify the essential components of an experiment. It includes a title, the research hypothesis and null hypothesis, the independent variable, the levels of the independent variable, the number of trials, the dependent variable, the operational definition of the dependent variable and ...

  3. The effects of inbreeding depression, while still relatively small compared to other factors (and thus difficult to control for in a scientific experiment), become more noticeable if isolated and maintained for several generations. [395] Having sex before a sporting event or contest is not physiologically detrimental to performance. [396]

  4. Design of experiments - Wikipedia

    en.wikipedia.org/wiki/Design_of_experiments

    This example of design experiments is attributed to Harold Hotelling, building on examples from Frank Yates. [21] [22] [14] The experiments designed in this example involve combinatorial designs. [23] Weights of eight objects are measured using a pan balance and set of standard weights. Each weighing measures the weight difference between ...

  5. Figure–ground (perception) - Wikipedia

    en.wikipedia.org/wiki/Figure–ground_(perception)

    In Gestalt psychology it is known as identifying a figure from the background. For example, black words on a printed paper are seen as the "figure", and the white sheet as the "background". For example, black words on a printed paper are seen as the "figure", and the white sheet as the "background".

  6. Visual cliff - Wikipedia

    en.wikipedia.org/wiki/Visual_cliff

    A later experiment with kittens raised in the dark and then placed on the visual cliff showed that depth perception was not innate in all species as the kittens would walk on either side of the visual cliff. After six days of being in the light, the kittens would avoid the deep side of the visual cliff (Rodkey, 2015).

  7. Mental mapping - Wikipedia

    en.wikipedia.org/wiki/Mental_mapping

    In behavioral geography, a mental map is a person's point-of-view perception of their area of interaction. Although this kind of subject matter would seem most likely to be studied by fields in the social sciences, this particular subject is most often studied by modern-day geographers.

  8. Cataracts of the Nile - Wikipedia

    en.wikipedia.org/wiki/Cataracts_of_the_Nile

    The word "cataract" comes from the Greek word καταρρέω ("to flow down"), although the original Greek term was the plural-only Κατάδουποι. However, contrary to this, none of the Nile's six primary cataracts could be accurately described as waterfalls, and given a broader definition, this is the same with many of the minor ...

  9. Visual perception - Wikipedia

    en.wikipedia.org/wiki/Visual_perception

    Alhazen (965 – c. 1040) carried out many investigations and experiments on visual perception, extended the work of Ptolemy on binocular vision, and commented on the anatomical works of Galen. [ 9 ] [ 10 ] He was the first person to explain that vision occurs when light bounces on an object and then is directed to one's eyes.