Reliability

Linguistically, the word “reliability” occurs in contexts of relying on something, for example, on one’s tools, someone else’s service, given measuring instruments, or data. In the conduct of science, the reliability of data is an important bottleneck for the construction of theories or scientific conjectures, and for giving reasonable advice. Data usually are the primary

Reliability

Reliability can be defined as the extent to which scores of a measure are free from the effect of measurement error. Measurement error is reflected in random deviations of the scores observed on a measure from respondents’ true scores, which are the expected values of respondents’ scores if they completed the measure an infinite number