Definition of paired comparison in US English:

paired comparison

noun

Psychology
  • 1"method of paired comparisons"noun (also method of paired comparison) a method of statistically comparing a pair or set of pairs of objects, in which a subject expresses (voluntarily or involuntarily) a preference for one member of each pair over the other, used especially in cases where a quantitative comparison is more difficult, not possible, or not relevant.

  • 2Attributive (usually with hyphens) designating or relating to this method (also in plural).

Origin

Early 20th century; earliest use found in Mind.