A test`s reliability concerns the consistency with which it measures whatever it is supposed to be measuring. A reliable assessment is dependable and will yield similar results each time it is used. Perfect reliability is represented by a reliability coefficient of 1.0, but in practice this is never achieved although figures upwards of about 0.85 are commonly obtained.
The probability that an item will function under a specific set of conditions, for a stated period of time, without failure or unacceptable degradation of performance. Found on http://www.encyclo.co.uk/local/20870
(from the article `computer science`) Reliability is an important issue in systems architecture. Components may be replicated to enhance reliability and increase availability of the ...Found on http://www.britannica.com/eb/a-z/r/30
(from the article `psychological testing`) Test reliability is affected by scoring accuracy, adequacy of content sampling, and the stability of the trait being measured. Scorer reliability ... ...opinion polling. To assist reporters as well as the general public in their understanding of poll results, AAPOR published a list of guideline...Found on http://www.britannica.com/eb/a-z/r/30
(ITIL Continual Service Improvement) (ITIL Service Design) A measure of how long an IT service or other configuration item can perform its agreed function without interruption. Usually measured as MTBF or MTBSI. The term can also be used to state how likely it is that a process, function etc. will deliver its required outputs. See also availability...Found on http://exin.vanharen.net/Player/eKnowledge/itildutchglossary.pdf
(re-li″ә-bil´ĭ-te) in statistics, the tendency of a system to be resistant to failure. precision (def. 2).Found on http://www.encyclo.co.uk/local/21001
• (n.) The state or quality of being reliable; reliableness.Found on http://thinkexist.com/dictionary/meaning/reliability/
In computer networking, a reliable protocol is one that provides reliability properties with respect to the delivery of data to the intended recipient(s), as opposed to an unreliable protocol, which does not provide notifications to the sender as to the delivery of transmitted data. The term reliable is a synonym for a...Found on http://en.wikipedia.org/wiki/Reliability_(computer_networking)
In the psychometrics, reliability is the overall consistency of a measure. A measure is said to have a high reliability if it produces similar results under consistent conditions. For example, measurements of people’s height and weight are often extremely reliable. ==Types== There are several general classes of reliability...Found on http://en.wikipedia.org/wiki/Reliability_(psychometrics)
Reliability in research methods concerns the quality of measurement. Reliability refers to the `repeatability` or `consistency` of research measures. ...Found on http://en.wikipedia.org/wiki/Reliability_(research_methods)
Reliability of semiconductor devices can be summarized as follows: Design factors affecting semiconductor reliability include: voltage derating, power derating, current derating, metastability, logic timing margins (logic simulation), timing analysis, temperature derating, and process control. == Methods of improvement == Re...Found on http://en.wikipedia.org/wiki/Reliability_(semiconductor)
The state or quality of being reliable; reliableness. Found on http://www.encyclo.co.uk/webster/R/45
A measure of the ability of a test or other appraisal instrument to evaluate what is being measuredFound on http://www.encyclo.co.uk/local/22403
A measure of whether a test gives repeatable results.
Found on http://www.felpress.co.uk/Exercise_Physiology_Glossary.24.0.html
An indicator of score consistency over time or across multiple evaluators. Reliable assessment is one in which the same answers receive the same score regardless of who performs the scoring or how or where the scoring takes place. The same person is likely to get approximately the same score across multiple test administrations.Found on http://www.encyclo.co.uk/local/21150
Consistency of measurement (ie something is reliable if you repeat the intervention with the same subject and get a similar/equal finding).
Found on http://www.cirem.co.uk/definitions.html
describes the degree of performance of the elements of the bulk electric system that results in electricity being delivered to customers within accepted standards and in the amount desired. Reliability at the transmission level may be measured by the frequency, duration and magnitude (or the probability) of adverse effects on the electric supply/tr...Found on http://www.encyclo.co.uk/local/21348
Electric system reliability has two components Found on http://www.cleanenergyresourceteams.org/glossary
Electric system reliability has two components -adequacy and security. Adequacy is the ability of the electric system to supply the aggregate electrical demand and energy requirements of the customers at all times, taking into account scheduled and unscheduled outages of system facilities. Security is the ability of the electric system to withstand...Found on http://www.neo.ne.gov/statshtml/glossaryr.htm
For the road system, reliability means little daily variation in travel time. For the public transport system, it means that vehicles depart on time and arrive at stops on scheduleFound on http://www.konsult.leeds.ac.uk/public/level1/sec17/index.htm
reliability 1. The trait of being dependable or reliable. 2. The tendency of a system to be resistant to failure.Found on http://www.wordinfo.info/words/index/info/view_unit/1185/3
Reliability is concerned with the consistency and dependability of a measuring instrument, i.e. it is an indication of the degree to which it gives the same answers over time, across similar groups and irrespective of who administers it. A reliable measuring instrument will always give the same result on different occasions assuming that what is be...Found on http://www.bath.ac.uk/catalogues/information/glossary/
Reliability is the probability a device or system will NOT fail to perform its intended function(s) during a specified time interval when operated under stated conditions
Found on http://www.reliability-plus.co.uk/PRE/glossary.html
Reliable/reliability in psychology means does something measure what it claims to be measuring in a consistent fashion.
Found on http://www.gerardkeegan.co.uk/glossary/gloss_a.htm
The ability of data gathering tool to obtain consistent results.Found on http://www.encyclo.co.uk/local/21465
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