Relationships Related Term:  accuracy authenticity completeness diplomatics promptness sufficiency trustworthiness veracity verification n. (reliable, adj.) ~ 1. The quality of being dependable and wo [..]

 The degree to which a test produces similar scores each time it is used; stability or consistency of the scores produced by an instrument.

  A measure of the ability of the system to continue operation while some lines or generators are out of service. Reliability deals with the performance of the system under stress.

The probability of a product’s performing its intended function under stated conditions without failure for a given period of time.

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 customer [..]

Reliability refers to the closeness of the initial estimated value(s) to the subsequent estimated values.

The extent to which a measure, procedure or instrument yields the same result on repeated trials.

1816, from reliable + -ity.

The similarity of results provided by independent but comparable measures of the same object, trait, or construct.

The tendency of test scores to be consistent on two or more occasions of testing, if there is no real change in the test takers' knowledge. If a set of scores has high reliability, the test takers' scores would tend to agree strongly with their scores on another occasion of testing. The type of reliability ETS is most often concerned abou [..]

The degree to which the input-output relationship is reproducible if the relationship is studied repeatedly under comparable conditions. For example, if a student took the same examination twice, or i [..]

Reliability is the likelihood that a component or system will continue to perform its intended function.

being trusted to do or provide what is needed.

The ability of an item to perform a required function under stated conditions for a stated period of time. [D01625]

The ability to get the same or similar result each time a study is repeated with a different population or group.

dependability: the quality of being dependable or reliable (reliable) authentic: conforming to fact and therefore worthy of belief; "an authentic account by an eyewitness"; & [..]

(IEEE) The ability of a system or component to perform its required functions under stated conditions for a specified period of time. See: software reliability.

The ability of an item to perform a required function under stated conditions for a specified period of time. 2. The probability that a functional unit will perform its required function for a specified interval under stated conditions. 3. The continuous availability of communication services to the general public, and emergency response activities [..]

See performance reliability.

A statistical measure of a tests consistency, or ability to result in similar scores if given repeatedly.

In technological systems, reliability refers to a system’s ability to perform consistently and maintain its expected functions when operated within a specified manner.

The extent to which a measurement instrument yields consistent, stable, and uniform results over repeated observations or measurements under the same conditions each time

A qualitative characteristic in accounting. It is achieved when information is verifiable, objective (not subjective) and you can depend on it.

The likelihood or probability that a given measure would be the same if measured again. Not all measures are reliable.

Definition Accurate information on business activities must be given to company management.

The ability of a device or human to be free of error when taking measurements.

Extent to which a test measurement or device produces like results consistently, regardless of observers, investigators, or time at which a test is given.

Reliability refers to the extent to which a test or other instrument is consistent in its measures. For example, a weight scale can be judged reliable if measures for a 25-pound weight do not vary ove [..]

Core attribute of a protection layer related to the probability that the equipment operates according to its specification for a stated period of time under all relevant conditions.

The characteristic that same or similar results can be obtained through repeated experiments or tests.

The probability of performing a specified function without failure under given conditions for a specified period of time.

Trust in the accuracy or provision of one's results; in the case of tests, it is an expression of the precision, consistency and reproducibility of measurements. Ideally, measurements should be t [..]

A measure of whether a test gives repeatable results.

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

You want to be sure that if someone else carried out your investigation they would get the same results and come to the same conclusions. Unreliable conclusions are worthless, other than telling you t [..]

Continuous expectation by consumers of quality and service from a product or organisation

A carrier selection criterion that considers the carrier transit time variation; the consistency of the transit time the carrier provides.

A measure of how often electrical service is interrupted.

The probability that the system, structure, or component of interest will function without failure for a given interval of time or number of cycles. For standby systems, structures, or components, this includes the probability of success upon demand.

The probability that a product will perform its specified function under prescribed conditions without failure for a specified period of time.

The consistency and dependability of a survey question or set of questions to gather data. Reliability indicates the degree to which survey questions will provide the same result over time for the sam [..]

the capability of an asset to continue to perform its intended functions

Consistency of a set of measurements or of the measuring instrument. Because NAEP findings have an impact on the public's understanding of student academic achievement, precautions are taken to e [..]

Consistency of a set of measurements or of the measuring instrument. Because NAEP findings have an impact on the public's understanding of student academic achievement, precautions are taken to e [..]

The likelihood or probability that an equipment will “do its job” for a specified length of time (say 1000 hours) under specified circumstances (such as cycling in a specified manner over certain temp [..]

The consistency of a measure over repeated use. A measure is said to be reliable if repeated measurements produce the same result.

(n) the quality of being dependable or reliable

The guarantee of system performance at all times and under all reasonable conditions to assure constancy, quality, adequacy and economy of electricity. It is also the assurance of the continuous supply of electricity for customers at the proper voltage and frequency.

The provision of adequate and dependable generation, transmission, and distribution service.

 A utility’s ability to deliver uninterrupted electricity to its consumers.

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 withst [..]

The statistical probability of trouble-free operation of a given component or assembly. Used principally as a function of MTBF and MTTR.

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.  The ability to deli [..]

The ability of the electric system to supply the electrical demand and energy requirements at all times and to withstand sudden disturbances such as electric short circuits or unanticipated loss of sy [..]

The providing of adequate and dependable generation, transmission and distribution service.

Electric system reliability has two components--adequacy and security. Adequacy is the ability of the electric system to supply to aggregate electrical demand and energy requirements of the customers [..]

A measure of a utility's ability to deliver uninterrupted electric service to its customers.

The reliability of a measurement or tool is how consistent it is. A reliable measurement or tool will give the same result when repeated at random in the same patient or sample. In clinical trials, re [..]

Fundamentally, consistency. That is, if a test is given repeatedly, under the same circumstances, predictable results will be obtained.

A measure of the robot's end-effector's ability to perform similar operations multiple times based on similar operating conditions.

A relative indication of the likelihood of a device failing, under rated operating conditions.

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 withstan [..]

The ability to deliver uninterrupted electricity to customers on demand and to withstand sudden disturbances such as short circuits or loss of major system components. This encompasses the reliability [..]

 Probability that a device will accomplish required function under given conditions over a given period of time. RMS value of AC current with harmonics. The RMS value Yrms of a non-sinusoidal alternating current may be determined on the basis of the individual harmonic currents where Y is the RMS value of the fundamental.

The delivery of uninterrupted electricity to consumers on demand.

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. Reliabilit [..]

The degree of certainty or predictability of a measure of system performance, such as travel time, in a transportation system.

A utility’s ability to deliver uninterrupted electricity to its consumers.

A measure of how dependably a system performs.

The ability of your provider to have sufficient supply and quality transmission.

The extent to which applicants’ scores on an assessment are consistent given that the applicants are reexamined with the same or equivalent form of an assessment (e.g., a test of keyboarding skills). [..]

Steady, predictable and consistent electric service and prices.

Every utility’s goal of providing uninterrupted electric service to consumers.

  A characteristic requiring that accounting information be reasonably free of bias and error. report form

The consistency with which a measuring instrument (such as a psychometric test) performs its' function, gauged, for example, by comparing test scores from the same subjects at different times.

The degree to which the results of an assessment are dependable and consistently measure particular student knowledge and/or skills.  CRESST

The extent to which an assessment method produces consistent and repeatable results. Reliability is a precondition for validity.

an important concept in research studies referring to the consistency or accuracy or dependability of a measuring instrument. A test with high reliability should produce the same results if repeated i [..]

In assessment, the consistency of an assessment outcome; for example, different assessors using the same evidence making the same judgement, or the same assessor making the same judgement about the same evidence on different occasions.

This refers to whether another researcher, if repeating or replicating the research using the same method for the same research on the same group, would achieve the same results.

In the broadest sense, reliability speaks to the quality of the data collection and analysis. It may refer to the level of consistency with which observers/judges assign scores or categorize observations. In psychometrics and testing, it is a mathematical calculation of consistency, stability, and dependability for a set of measurements.

refers to the degree of consistency or dependability of a test. A reliable test will produce similar scores and distributions whenever it is given to similar populations. Thus, if a student scored a 9 [..]

The characteristic of a set of test scores that relates to the amount of random error from the measurement process that might be embedded in the scores. Scores that are highly reliable are accurate, reproducible, and consistent from one testing occasion to another. That is, if the testing process were repeated with a group of test takers, essential [..]

The ability of a system to perform its required functions under certain conditions for a specified period of time. Power Reliability can be defined by the ability to deliver electricity to customers w [..]

Reliability is the property of leading to consistent intended behaviour and results.Reliability is also defined as the property of trustworthiness. Data are often considered reliable when they are exa [..]

The credibility of the results from assessment and evaluation measures. For example, the degree to which test scores for a group of test takers are consistent over repeated applications of a measureme [..]

The ability of separate clincians or researchers to consistently diagnose the same disorder after observing the same pattern of symptoms in patients.

The extent to which a measurement procedure yields the same value when brought into repeated contact with the same state of nature. Repeatability. A property of behavior that is described in terms of [..]

Consistency of measurement. in applied behavior analysis, preferably, different observers estimate reliability by assessing the interobserver agreement, or coefficient of agreement between two or more [..]

The extent to which two independent observers agree on their observations, computed by the formula A/(A+D), in which A stands for the number of agreements and D stands for the number of disagreements. [..]

The measure of consistent reproducibility of a test result under identical conditions.

The ability of a system and its parts to perform its mission without failure, degradation, or demand on the support system under a prescribed set of conditions.

The trustworthiness of information critical to the credibility of a speech.

The reliability of a test reflects the consistency with which a test measures the area being tested; describing the extent to which a test is dependable, stable, and consistent when administered to th [..]

The degree to which scores for a group of test takers are consistent over repeated applications of a measurement tool.

The probability of performing a specified function without failure under given conditions for a specified period of time.

Electric system reliability has two components - adequacy and security. Adequacy is the ability of the electric system to supply the aggregate electric 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 [..]

The consistency of a measurement, or the degree to which an instrument measures the same way each time it is used under the same condition with the same subjects.

Reliability is the consistency of your measurement; the degree to which an instrument measures the same way each time it is used under the same conditions with the same subjects. (Source: CSU, http:// [..]

refers to the likelihood of a study to find the same measurements or results in repeated trials.

The ability of a test to obtain the same results under the same conditions. back to top

The reliability of a measuring instrument refers to the consistency of measurement that the instrument is demonstrating.

The duration or probability of failure-free performance under stated conditions; or the probability that an item can perform its intended function for a specified interval under stated conditions. 

The consistency or stability of a measure over repeated use. An instrument is said to be reliable if repeated efforts to measure the same phenomenon produce the same result. [10]

The degree to which the performance of the elements of a system results in power being delivered to consumers within accepted standards and in the amount desired. The degree of reliability may be measured by the frequency, duration and magnitude of adverse effects on consumer service.

Reliability refers to the accuracy and consistency of a measurement or test; i.e. if a repetition of the measurement or testing under the same conditions reveals the same results. Note that reliabilit [..]

The ability of an item to perform a required function under stated conditions for a specified period of time. The probability that a functional unit will perform its required function for a specified [..]

The guarantee of system performance at all times and under all reasonable conditions to assure constancy, quality, adequacy and economy of electricity. It is also the assurance of a continuous supply of electricity for customers at the proper voltage and frequency. *reliability Electric system reliability has two components - adequacy and security. [..]

a measure of the degree to which software operates reliably over some period of time

The quality of being reliable, dependablequality of being reliable * Catalan: (fiabilitat,f) * Czech: cs|spolehlivost|n * Dutch: (betrouwbaarheid,f) * Finnish: (luotettavuus) * French: (fiabilité,f) [..]

The probability or percentage of time that a device will function without failure over a specified time period or amount of usage (R15.02). Also called the robot's uptime or the Mean Time Between [..]

There are two very different ways in which this term can be used:

Qualitative characteristic of being free from material error and bias, representing faithfully. replacement cost