Propensity score matching reduced the differences under 15%%.
►PVN shows reduced stress activation in late pregnancy matching reduced ACTH levels.
The empirical example provided promising evidence that interval matching reduced more selection bias than did commonly used matching methods including the rival method, caliper matching.
Propensity score matching reduced confounding by indication by achieving better balance of the observed covariates across the treated and control groups.
But its earnings excluding special items matched reduced expectations on Wall Street.
The company has already started curtailing production in Europe to match reduced demand.
Instead, the company's trade magazine subsidiary, Reed Business Information, is apparently focused on "right sizing the cost base to match reduced revenue expectations".
However, the fact that the average placebo effect was also matched reduces this concern.
Tight matching reduces the chance of a false-positive association.
The index matching reduces both scattering and image abberations.
