Sentences with phrase «finding precise estimates»

However, researchers say distinguishing heartburn sufferers from people with GERD complicates finding precise estimates for the prevalence of GERD.

Not exact matches

If it can not be proved that those gains are due to improved school accountability, it is heartening to know that Margaret Raymond and Eric Hanushek found, in more precise estimates of accountability impacts, somewhat larger gains on the NAEP in those states that were the first to put accountability systems into place (see «High - Stakes Research,» features, Summer 2003).

While California does not know the precise number of chronically absent students in middle and high school, a 2014 analysis by the California Attorney General's office found that an estimated 250,000 elementary students are chronically absent.

We find precise zero estimated effects of refugees on the educational outcomes of incumbent students in the year of the earthquake or in the two years that follow, regardless of the socioeconomic status, grade level, ethnicity, or birthplace of incumbent students.

Indeed, this was found to be true for any of several different published volcanic forcing series for the past millennium, regardless of the precise geometric scaling used to estimate radiative forcing from volcanic optical depth, and regardless of the precise climate sensitivity assumed.

Following these findings, the researchers recommend shorter productivity measurements to help minimize the effect of respiratory and dissolved organic carbon loss and hopefully produce more precise estimates of the ocean's global carbon productivity over smaller increments of time.