reliability of an item

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• Item response theory — In psychometrics, item response theory (IRT) is a body of theory describing the application of mathematical models to data from questionnaires and tests as a basis for measuring abilities, attitudes, or other variables. It is used for statistical …   Wikipedia

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• Inter-rater reliability — In statistics, inter rater reliability, inter rater agreement, or concordance is the degree of agreement among raters. It gives a score of how much homogeneity, or consensus, there is in the ratings given by judges. It is useful in refining the… …   Wikipedia

• Confirmed line item performance — The Confirmed Line Item Performance (CLIP) defines the supply chain delivery reliability measurement between facilities within a supply chain. Those facilities may belong to one company or span over several companies. CLIP is an analog… …   Wikipedia

• Digital Item — is the basic unit of transaction in the MPEG 21 framework. It is a structured digital object, including a standard representation, identification and metadata. A Digital Item may be a combination of resources like videos, audio tracks or images;… …   Wikipedia

• Nambury S. Raju — (1937 – October 27, 2005) was an American psychology professor known for his work in psychometrics, meta analysis, and utility theory. He was a Fellow of the Society of Industrial Organizational Psychology.[1] Contents 1 Professional Biography 2… …   Wikipedia

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• HERO SAFE ordnance — Any ordnance item that is percussion initiated, sufficiently shielded or otherwise so protected that all electro explosive devices contained by the item are immune to adverse effects (safety or reliability) when the item is employed in its… …   Military dictionary

• Maintenance philosophy — is the mix of strategies that ensure an item works as expected when needed.[1][2] Contents 1 Definition 1.1 Failure Detection 1.1.1 Conditi …   Wikipedia

• psychological testing — Use of tests to measure skill, knowledge, intelligence, capacities, or aptitudes and to make predictions about performance. Best known is the IQ test; other tests include achievement tests designed to evaluate a student s grade or performance… …   Universalium