| 释义 |
matched groups
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. matched groups
matched groupsa 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. |