Definition: Synonymous with test-retest reliability. It refers to the agreement between the results of successive measurements of the same measure. Repeatability requires the same experimental tools, the same observer, the same measuring instrument administered under the same conditions, the same location, repetition over a short period of time, and the same objectives (Joint Committee for Guidelines in Metrology, 2008)

Related term: Reliability

References: ISO (1993), & Stodden (2011)

Drafted and Reviewed by: Mahmoud Elsherif, Adam Parker, Gilad Feldman, Helena Hartmann, Joanne McCuaig, Sam Parsons

Note that we are currently working on an automated mechanism to link references cited above with their full-length version that can be found at with all references used so far.