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the extent to which a product fulfils its function over a period of time.

The reliability of a product depends upon its design characteristics, the quality of materials and components embodied within it and the care with which it is made and assembled.

A product's reliability is an important part of its performance in use and thus affects the appeal of the product to customers and the likelihood of their buying it. See BRAND LOYALTY. See QUALITY CONTROL, FAILURE RATE CURVE, PARALLEL SYSTEM.

References in periodicals archive ?
Thus, for an error margin of 25% for the interobserver reliability test, the required sample size was 16 individuals.
Repeatability of goniometric methods: The ICC values for intra- and interobserver reliability are presented in Table 3.
In our study, the interobserver reliability of UG was moderate to good, ranging from 0.40 to 0.71 and the intraobserver reliability was moderate to excellent, ranging from 0.47 to 0.84.
The Kappa value for the interobserver reliability of foramina without wire labeling was 0.57.{Table 3}
For the quality control of our US scoring of shoulder synovitis, we evaluated the kappa value of intra- and interobserver reliability by blindly rescoring 184 images.
Influences of response rate and distribution on the calculation of interobserver reliability scores.
Interobserver reliability was established following the process designed by Brewer and Jones (2002), in which five experts (three coaches and two psychologists) were presented with videotaped examples of all the top 10 ranked mental toughness behaviors.
In order to use a biomarker as a surrogate end point in a regulatory submission, researchers must evaluate the method for sensitivity, specificity, reproducibility, interobserver reliability, variability and bias (REF6).
The intra-class correlation coefficient (ICC) was used to assess intraobserver and interobserver reliability. P Less than 0.05 was considered to be statistically significant.
Fuhrman grading itself is of interest, as interobserver reliability has not been high in published series, with kappa values ranging from 0.19 to 0.44 (fair to moderate agreement).[sup.6]-[sup.8] The level of overlap or disparity between pathologists would be expected to have some impact, as the authors note.
Intra- and interobserver reliability of the intrinsic muscles of the hand.