The second-tier randomization happened at the level of the study participant.
Recently, a consensus document has been published on the clinical suitability of CMA as the first-tier method for the study of cases of intellectual disability or congenital malformations (Miller et al. 2010).
The strengths of this study include (1) the inclusion and classification of different tiers of FSWs in the study; (2) the utilization of community-based or outreach-based recruitment strategies; and (3) the multi-site survey consisting of 8 middle-size cities in China.
The value of markers in each tier is then determined by the objective of the study.
Because of the study design, cases and controls who were eligible for the tier 2 interview had moved less frequently than all study participants < 8 years of age.
A cloudlet represents the middle tier of the 3-tier hierarchy of mobile device - cloudlet - cloud.
The lower tier of the Northern Stand is terraced, and was the only tier of the stand until the upper, seated tier was built in 1992.
Mean levels of mercury were higher in the sea bass, croaker, whiting, and shrimp available in New Jersey—as well as the tuna sampled in the first tier of the study than predicted by the FDA's data; the actual mean for one fish, croaker, was nearly three times the FDA estimate.
"We've categorically found the bottom tiers of the Pink Terraces...
It draws upon the professional literature using a "Systematic literature surveillance" method in evaluating published results, using a tiered-ranking of study design types [ 38].
We planned to measure the association between our three-tier definition of success of the individual studies and the feature list using univariate binary logistic regression.
