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The term criterion It has its origin in a Greek word that means "judge" . The criterion is the judgment or discernment of a person . For example: "In my opinion, the referee should have penalized a foul against the goalkeeper", “The artistic criteria of these controversial works are questioned by many people”.

The criterion, therefore, is a kind of subjective condition that allows to specify a choice. It is, in short, what sustains a Value judgment .

The same situation can understood in different ways according to the criteria . If a mother slaps her son when he disobeys her, some people will agree and others will condemn the action. According to the criteria of the first group, the slap is a punishment that serves as a lesson and improves the child's behavior. Those who are not in favor, on the other hand, will have a different criterion in believing that physical punishment is never positive.

A criterion is also a requirement It must be respected to achieve a certain goal or meet a need.

In this sense, that is, based on this meaning we find a great variety of important criteria. Thus, for example, we could cite what is known as stability criteria. They can establish that they refer to the set of rules or laws that a boat must comply strictly to achieve the necessary security that prevents it from overturning. Among those stand out the criteria of dynamics, balance amplitude or metacentric height.

On the other hand, we also find a series of important criteria in the field of physics. Among them we would highlight the so-called Rayleigh criterion or the Lawson criterion that refers to the spectral lines and energy production through fusion, respectively.

Another important criterion is, for example, that which is developed in the field of telecommunications and which is called Nyquist criteria. In 1928 it was when he was first established and the one in charge of undertaking this work was the Swedish Harry Nyquist. Specifically that cited theorem we can establish that it deals with sampling actions.

In addition to the mentioned sectors, there are also several important and important criteria in other areas of the scientific field. Thus, for example, in the field of mathematics is the Cauchy condensation criterion, the Leibniz criterion or the sandwich criterion. On the other hand, there is also another equally relevant statistic such as the Chauvenet criterion.

The textuality criteria They indicate the rules that must be followed to consider that a set of sentences constitutes a text. These criteria are acceptability, cohesion, coherence, informativity, intentionality, intertextuality and situationality. This means that if several sentences or paragraphs appear in the same context and meet these criteria, the content can be considered as a text. Otherwise, it may be isolated words or phrases that are meaningless as a unit.

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