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Components of Language01:24

Components of Language

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Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
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Frequency-dependent Selection01:21

Frequency-dependent Selection

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When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
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Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Factors Affecting Dissolution: Polymorphism, Amorphism and Pseudopolymorphism01:21

Factors Affecting Dissolution: Polymorphism, Amorphism and Pseudopolymorphism

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Polymorphism refers to the existence of a drug substance in multiple crystalline forms, known as polymorphs. Recently, this term has been expanded to include solvates (forms containing a solvent), amorphous forms (non-crystalline forms), and desolvated solvates (forms from which the solvent has been removed).
Some polymorphic crystals possess lower aqueous solubility than their amorphous counterparts, leading to incomplete absorption. For instance, the oral suspension of Chloramphenicol, which...
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Expected Frequencies in Goodness-of-Fit Tests01:19

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A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n)  to the number of categories (k).
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What is a Frequency Distribution00:51

What is a Frequency Distribution

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A frequency is the number of times a value of the data occurs. The sum of all the frequency values represents the total number of students included in the sample. It is commonly used to group data of quantitative types. Frequency distributions can be displayed in a table, histogram, line graph, dot plot, or pie chart, just to name a few. A histogram is a graphical representation of tabulated frequencies, shown as adjacent rectangles, erected over discrete intervals (bins), with an area equal to...
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Related Experiment Video

Updated: Oct 2, 2025

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

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Frequency, Informativity and Word Length: Insights from Typologically Diverse Corpora.

Natalia Levshina1

  • 1Max Planck Institute for Psycholinguistics, 6525 XD Nijmegen, The Netherlands.

Entropy (Basel, Switzerland)
|February 25, 2022
PubMed
Summary
This summary is machine-generated.

Zipf's law of abbreviation suggests shorter words are more frequent. This study finds word length correlates differently with informativity across languages, influenced by noun phrase structure and orthography.

Keywords:
Zipf’s law of abbreviationcorporafrequencyinformativitylinguistic typologyn-grams

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Area of Science:

  • Linguistics
  • Computational Linguistics
  • Corpus Linguistics

Background:

  • Zipf's law of abbreviation notes a negative correlation between word frequency and length.
  • Contextual informativity shows a stronger, yet inconsistent, correlation with word length.

Purpose of the Study:

  • To investigate the relationship between word length, frequency, and informativity across a diverse language sample.
  • To explore how linguistic features like noun phrase structure and orthography influence these correlations.

Main Methods:

  • Analysis of large web corpora (Leipzig Corpora Collection) for seven languages: Arabic, Finnish, Hungarian, Indonesian, Russian, Spanish, and Turkish.
  • Estimation of word length (UTF-8 characters, phonemes), word frequency, and contextual informativity (using bigram processing).

Main Results:

  • Observed varying correlations between word length and informativity measures across the studied languages.
  • Identified noun phrase properties (head-modifier order, morphological complexity) and orthographic conventions as key explanatory factors for cross-linguistic differences.

Conclusions:

  • The relationship between word length and informativity is not universal and is modulated by language-specific structural and orthographic features.
  • Noun phrase typology plays a significant role in shaping word length and informativity patterns.