matched groups


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matched groups

a method of experimental control in which subjects in one group are matched on a one-to-one basis with subjects in other groups concerning all organism variables (for example, age, sex, height, weight), which the experimenter believes could influence the variable being investigated.

match·ed groups

(macht grūps)
A method of experimental control in which subjects in one group are matched on a one-to-one basis with subjects in other groups concerning all organism variables (e.g., age, sex, height, weight) that the experimenter believes could influence the variable being investigated.

match·ed groups

(macht grūps)
A method of experimental control in which subjects in one group are matched on a one-to-one basis with subjects in other groups concerning all organism variables, which the experimenter believes could influence findings.
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References in periodicals archive ?
This indicated that a comparative analysis of matched groups derived from the year group would be valid.
It was of theoretical interest to compare the difference scores between the spatial and verbal VESPAR scores of the pupils in the three matched groups.
Data from a limited set of VPSC sites and students enrolling in their choice initiatives showed improved trends in math and reading, compared to matched groups of non-enrolling students.