A technical term which must be distinguished from validity. Reliability means the extent to which a test or an individual test item will give the same result on different occasions. For example, an individual test of intelligence should give the same...

The extent to which something is dependable, so that it is used in psychology in personality assessment and in statistics to record the consistency in the relationship between...

When applied to epidemiological studies refers to the degree to which they manage to produce consistent results. See also: SENSITIVITY;...

Processing the quality of being dependable; may refer to personnel, materials, and...

In general, reliability (systemic def.) is the ability of a person or system to perform and maintain its functions in routine circumstances, as well as hostile or unexpected circumstances. The IEEE defines it as ". . . the ability of a system or...

Reliability refers to the ability of a product to continue to perform its intended functions over time in the hands of the customer. What manufacturer would deny that reliability is crucial to retaining customer loyalty and sustaining business over time? And yet, reliability...

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Harvard B-school grad Angie Hicks launched the List in 1995. The consumer-referral Web site (www.angieslist.com, $7.50 to $8.75 a month) and call center (888-944-5478) rates businesses in 124 cities. What's the best way for consumers to get satisfaction if they have a gripe? Keep...