Sentences with phrase «statistically valid studies»

provide an integrated food safety research capability, including internally generated, scientifically and statistically valid studies, in cooperation with academic institutions and other scientific entities of the Federal and State governments;

Not exact matches

No statistically valid, double - blind study has ever shown prayer to affect anything but heart rate, which is a meditative effect.

Regarding the short - term animal feeding study, Konrad wrote: «Our rat - feeding study was comprehensive and statistically valid; a panel of experts reviewed the study and unanimously agreed that soy leghemoglobin is safe.»

Additionally, as Alexei pointed out, Congress isn't statistically big - and there's even fewer valid «none» seats if you start looking at Politically Wonkish details - Texas electorate outside Austin guarantees a Christian representation, so TX seat - or West Virgina - doesn't get to be counted if you study this phenomenon.

In this study, suicidal ideation was used as the indicator of suicide risk because too few patients reported a history of suicide plan or had made a suicide attempt for statistically valid conclusions to be made.

While the results were statistically valid, additional studies with larger test groups will be necessary to fully confirm the finding.

In addition to these four state - based studies of voucher program impacts on test scores, some recent studies do show positive effects on graduation rates, parent satisfaction, community college enrollment, and other nonachievement - based outcomes, but it is unclear if these outcomes are lasting and valid.23 For example, research shows that nationally, graduation rates for students in public schools and peers participating in voucher programs equalize after adjusting for extended graduation rates.24 Some critics suggest that private schools may graduate students who have not successfully completed the full program.25 Also, in regard to parent satisfaction, while some studies do show greater satisfaction among parents whose children participate in voucher programs, the most recent evaluation of the D.C. voucher program shows that any increase in parent or student school satisfaction is not statistically significant.26

Both authors even admitted that their reconstructions aren't statistically valid (and that was kind of their point...) and McIntyre, at least, has stated that he regards many studies since then the same way he does the original 1998 paper because they basically use the same datasets and analysis (And I should add that he seems less opposed to the more recent studies, especially those that don't use data he finds suspicious...) They've stated their a priori reasons why they don't like the data they don't like.

ZIP codes were selected at random, he said, to give the study «enough of a sample size at a market level to be statistically valid.