Validity

Soundness or rigour of a study. A study is valid if the way that it has been designed and carried out means that the results are unbiased i.e. that it gives you a 'true' estimate of clinical effectiveness.

Validity

A valid assessment measures what it claims to measure. Evidence may be presented in various ways satisfactory correlations with other assessments of the same abilities or skills; or with teachers estimates of their pupils' abilities; or with the pupils' subsequent achievements such as their results in public examinations.

validity

  1. the quality of being logically valid
  2. the quality of having legal force or effectiveness

Validity

In logic, an argument is valid if and only if its conclusion is logically entailed by its premises. A formula is valid if and only if it is true under every interpretation, and an argument form (or schema) is valid if and only if every argument of that logical form is valid. ==Validity of arguments== An argument is valid if and only if the truth o...
Found on http://en.wikipedia.org/wiki/Validity

validity

(from the article `logic`) ...the argument is a deductive one. If the premises are intended to support the conclusion only to a lesser degree, the argument is called inductive. ... In logic an argument consists of a set of statements, the premises, whose truth supposedly supports the truth of a single statement called the ... ...deli...
Found on http://www.britannica.com/eb/a-z/v/4

Validity

(PROJECT GLOSSARY) Number of days/ weeks/months that a bid is open to acceptance by the buyer. There are legal rules over the ability of a seller to withdraw or change his bid once made.
Found on http://www.instrument-net.co.uk/projectglossary.html

validity

(vә-lid´ĭ-te) the extent to which a measuring device measures what it intends or purports to measure.
Found on http://www.encyclo.co.uk/local/21001

validity

[n] - the quality of having legal force or effectiveness
Found on http://www.webdictionary.co.uk/definition.php?query=validity

Validity

• (n.) Legal strength, force, or authority; that quality of a thing which renders it supportable in law, or equity; as, the validity of a will; the validity of a contract, claim, or title. • (n.) Value. • (n.) The quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of...
Found on http://thinkexist.com/dictionary/meaning/validity/

validity

validness noun the quality of having legal force or effectiveness
Found on http://wordnetweb.princeton.edu/perl/webwn?s=validity

Validity

[statistics] In science and statistics, validity is the extent to which a concept, conclusion or measurement is well-founded and corresponds accurately to the real world. The word `valid` is derived from the Latin validus, meaning strong. The validity of a measurement tool (for example, a test in education) is considered to be the degree to...
Found on http://en.wikipedia.org/wiki/Validity_(statistics)

Validity

Va·lid'i·ty noun [ Confer French validité , Latin validitas strength.] 1. The quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of an argument or proof; the validity of an objection. 2. ...
Found on http://www.encyclo.co.uk/webster/V/4

validity

1. The extent to which a measurement, test or study measures what it purports to measure. ... 2. Occasionally, accuracy. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

validity

1. the extent to which a measurement, test, or study measures what it purports to measure. 2. occasionally, accuracy (q.v.).
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio90.html

Validity

A data collection instrument`s ability to actually measure or test what it is intended to measure or test.
Found on http://www.encyclo.co.uk/local/21465

Validity

A measure of whether a test actually tests what it claims to test, e.g. does the Conconi test give an accurate measure of the anaerobic threshold? (Answer = No)
Found on http://www.felpress.co.uk/Exercise_Physiology_Glossary.24.0.html

validity

An indication that an assessment instrument consistently measures what it is designed to measure, excluding extraneous features from such measurement.
Found on http://www.encyclo.co.uk/local/21150

Validity

Apprehension over the structure of an argument.
Found on http://www.translationdirectory.com/glossaries/glossary083.htm

Validity

at its most simple this refers to the truth status of research reports. However, a great variety of techniques for establishing the validity of measuring devices and research designs has been established, both for quantitative and qualitative research. More broadly, the status of research as truth is the subject of considerable philosophical contro...
Found on http://people.brunel.ac.uk/~hsstcfs/glossary.htm

validity

In logic, a property of inferences or arguments which are valid if the conclusion follows necessarily (by deduction) from the premises, as in a
Found on http://www.encyclo.co.uk/local/20688

Validity

Term used in psychology to question whether something measures that which it purports to measure. Given the great debate about intelligence any IQ test can be questioned on the grounds of its validity. Psychology immediately asks the question 'Does this test measure this thing we call intelligence?' Is it valid?
Found on http://www.gerardkeegan.co.uk/glossary/gloss_a.htm

Validity

The degree to which a result (of a measurement or study) is likely to be true and free of bias (systematic errors).
Found on http://www.researchautism.net/glossary.ikml?l=v

Validity

The degree to which a study accurately reflects or assesses the specific concept that the researcher is attempting to measure. A method can be reliable, consistently measuring the same thing, but not valid. See also internal validity and external validity
Found on http://writing.colostate.edu/guides/guide.cfm?guideid=86

Validity

the extent to which a test measures what it was intended to measure. Validity indicates the degree of accuracy of either predictions or inferences based upon a test score.
Found on http://ericae.net/edo/ed315430.htm

Validity

The extent to which a test measures what it was intended to measure.
Found on http://www.apa.org
No exact match found