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  1. In economics, the Gini coefficient ( / ˈdʒiːni / JEE-nee ), also known as the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income inequality, the wealth inequality, or the consumption inequality [3] within a nation or a social group. It was developed by Italian statistician and sociologist Corrado Gini .

  2. Pneumono­ultra­micro­scopic­silico­volcano­coniosis is the longest word in the English language. The word can be analysed as follows: This word was invented in the daily meeting from the National Puzzlers' League (N.P.L.) by its president Everett M. Smith. The word featured in the headline for an article published by the New York Herald ...

  3. An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported in wavenumber, for common types of molecular bonds and functional groups.

    • Definition
    • Measurement, Analysis, and Investigated Tasks
    • Explanations
    • Practical Significance
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    The Dunning–Kruger effect is defined as the tendency of people with low ability in a specific area to give overly positive assessments of this ability. This is often seen as a cognitive bias, i.e. as a systematic tendency to engage in erroneous forms of thinking and judging.In the case of the Dunning–Kruger effect, this applies mainly to people wit...

    The most common approach to measuring the Dunning–Kruger effect is to compare self-assessment with objective performance. The self-assessment is sometimes called subjective ability in contrast to the objective ability corresponding to the actual performance. The self-assessment may be done before or after the performance. If done afterward, the par...

    Various theorists have tried to provide models to explain the Dunning–Kruger effect's underlying causes.The original explanation by Dunning and Kruger holds that a lack of metacognitive abilities is responsible. This interpretation is not universally accepted, and many alternative explanations are discussed in the academic literature. Some of them ...

    There are disagreements about the Dunning–Kruger effect's magnitude and practical consequences as compared to other psychological effects. Claims about its significance often focus on how it causes affected people to make decisions that have bad outcomes for them or others. For example, according to Gilles E. Gignac and Marcin Zajenkowski, it can h...

    Dunning, David (27 October 2014). "We Are All Confident Idiots". Pacific Standard. The Social Justice Foundation. Retrieved 28 October 2014.
    Nathan Ballantyne and David Dunning (27 January 2022). "Skeptics Say, 'Do Your Own Research.' It's Not That Simple". New York Times.
  4. " Supercalifragilisticexpialidocious " ( / ˌsuːpərˌkælɪˌfrædʒɪˌlɪstɪkˌɛkspiˌælɪˈdoʊʃəs / ⓘ SOO-pər-KAL-ih-FRAJ-ih-LISS-tik-EKS-pee-AL-ih-DOH ...

  5. Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects : Commons. Free media repository. MediaWiki. Wiki software development. Meta-Wiki. Wikimedia project coordination. Wikibooks. Free textbooks and manuals.

  6. Ethylenediaminetetraacetic acid ( EDTA ), also called EDTA acid after its own abbreviation, is an aminopolycarboxylic acid with the formula [CH 2 N (CH 2 CO 2 H) 2] 2. This white, water-insoluble solid is widely used to bind to iron (Fe 2+ /Fe 3+) and calcium ions (Ca 2+ ), forming water-soluble complexes even at neutral pH.