Facebook says those ads will be larger (taking on the same proportions as News Feed ads), but users will see fewer of them.
Many social scientists argue that this method under-counts poor and minority citizens because these people do not tend to live at fixed addresses or on the grid in the same proportion as wealthier citizens.
The estimation of cumulative asthma incidence at the age of ten in the cohort was based on an assumption that the same proportion of new cases occurred in the whole cohort between the age of seven and ten as among the controls.
Species presence and pseudo-absences (randomly selected on background region with the same proportion of presence records) were randomly divided into 75% for calibration and 25% for evaluation, and this process was repeated 50 times.
To make up the difference, seven out of 10 students rely on their parents, and around the same proportion have a part-time job.
About two-thirds of temporary workers choose to work temporarily, while the same proportion on zero-hours contracts do not want fixed hours; most report that they are happy with their work-life balance.
And in 2011, 2 percent of families who were homeowners reported falling behind on their mortgage payments — about the same proportion who said so in 2009.
Second, male-biased enrichment was called by comparing proportions of testis-biased and non-testis-biased genes for each tissue-specific group against the same proportion on the rest of the genome [ 1, 5].
Now, the majority chose the longer task and earn the 100 points, which they could spend on the pistachio reward – even though the same proportion (about 70%) still said they preferred vanilla.
Much debate on Wednesday focused on whether charter schools educate disabled children in the same proportion as regular public schools.
Mr. Romney's top economic adviser, Glenn Hubbard, said the plan would cut all six current tax brackets - 10 percent, 15 percent, 25 percent, 28 percent, 33 percent, 35 percent, depending on a taxpayer's income - by the same proportion of 20 percent.
