The study used data from surveys compiled by the Centers for Disease Control and Prevention.
Furthermore, data from surveys taken after September 11th contradicted the early predictions that there would be widespread psychological damage.
In some cases, rankings and prevalence estimates are calculated using data from surveys conducted in other countries deemed to have an equivalent "risk profile".
Farah took data from surveys of home life and brain scans of 64 participants carried out over the course of 20 years.
Data from surveys conducted by the Centers for Disease Control and Prevention back up Dr. Santelli's assertion.
To determine that, the F.D.A. evaluated data from surveys of Americans' eating habits taken in the 1970s and 1980s.
MADISON AVENUE is closely studying the results of the Ad Bowl played during Super Bowl XXXV, examining data from surveys and polls both online and offline to help sharpen the advertising for next year's game, only CCCLXI days away.
The new framework will grade universities and their departments on a scale from one to four, using published data from surveys of student satisfaction, graduate employment and degree completion rates, among others.
That is what two economists -- Daniel S. Hamermesh of the University of Texas at Austin and Jeff E. Biddle of Michigan State University -- found in a 1994 analysis of data from surveys of thousands of United States and Canadian households.
The company analyzes health insurance data from surveys and state records and sells its reports to businesses that track industry changes, Caryn Mohr, a research specialist at InterStudy, said.
They analyzed data from surveys designed with their help and conducted in all five countries by TNS, a global market research concern.
