Exact(6)
Related to this point is the self-reported nature of the information provided by the teachers; stronger evidence for the existence of the relationship, or lack of relationship, between instructional practices and student outcomes would require studies to include a classroom observation component.
Powering the trial to neonatal outcomes would require far greater numbers.
More modest incremental associations (over BMI) of leptin with CHF and CVD outcomes would require analyses of much larger samples.
Proper assessment of the relationship of age to the RRs for the different outcomes would require entry and analysis of these further data.
However, the rarity of such outcomes would require a very large population database with a sufficient number of mothers with informative (that is, discordant) pairs of outcomes.
To achieve 90% power to detect such an effect or larger using a two-sided independent samples t test at the 2.5% significance level (adjusting for 2 primary outcomes), would require 119 subjects per group.
Similar(54)
Such an outcome would require a waiver of F.C.C. rules.
It's not very likely that Mr. Obama wins Omaha conditional upon losing Iowa, as this outcome would require.
But the amount of voter fraud that could affect an election's outcome "would require the coordinated, considerable illegal activity of many, many people," Dr. Alvarez said.
What such an outcome would require is for Mr. Paul's campaign to make a concerted effort to turn out any supporters it has in the area.
This outcome would require that a majority of the general populace be reasonably well-educated, intelligent, public-spirited, and patient, and that they not be greatly confused or alienated by an excess of communication.
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