The present page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page or drafted elsewhere and then moved to this title. Related titles should be described in Validity, while unrelated titles should be moved to Validity (disambiguation).

Look up validity or valid in Wiktionary, the free dictionary.

Validity or Valid may refer to:

Mathematics

• Validity (logic), a property of a logical argument

Statistics

• Validity (statistics), the degree to which a statistical tool measures that which it is purported to measure
  • Statistical conclusion validity, establishes the existence and strength of the co-variation between the cause and effect variables
  • Test validity, validity in educational and psychological testing
  • Face validity, the property of a test intended to measure something
  • Construct validity, refers to whether a scale measures or correlates with the theorized psychological construct it measures
  • Content validity, the extent to which a measure represents all facets of a given construct
  • Concurrent validity, the extent to which a test correlates with another measure
  • Predictive validity, the extent to which a score on a scale or test predicts scores on some other measure
  • Discriminant validity, the degree to which results a test of one concept can be expected to differ from tests of other concepts that should not be correlated with this one
  • Criterion validity, the extent to which a measure is related to an outcome
  • Convergent validity, the degree to which multiple measures of the same construct lead to the same conclusion

Science

• Internal validity, the validity of causal inferences within scientific studies, usually based on experiments
• External validity, the validity of generalized causal inferences in scientific studies, usually based on experiments
• Valid name (zoology), in animal taxonomy
• Validly published name, in plant taxonomy

Other uses

• Valid (number format), a universal number format (unum type III)
• Valid (engraving company), a Brazilian company
• VALID (Video Audio Line-up & IDentification), part of the GLITS broadcast television protocol
• Validity and liceity (Catholic Church), concepts in the Catholic Church.

See also

• All pages with titles containing Validity
• Validation (disambiguation)

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