matched groups


Also found in: Medical.

matched groups

[¦macht ′grüps]
(statistics)
Groups of individuals or objects chosen so that the mean values (or some other characteristic) of some variable are the same for all the groups, in order to minimize the variation due to this variable.
References in periodicals archive ?
They are fairly evenly matched groups," said UFL chair Santi Araneta after the draw yesterday at Greenbelt 3 in Makati.
A comparison was made between the verbal and spatial VESPAR scores for three matched groups of children, selected from the larger group on the basis of their CAT scores: a CAT-discrepant group was identified as having VCAT scores at least 15 points (1.
Interestingly, the matched sample still indicates a fairly large gap on schools' accountability between cohort groups and matched groups (Figures 4 to 9).