control-group

These events occurred in 1.19% of the Pradaxa patients, and in 0.79% of the control-group patients.

Study Finds Risk in New Stroke Drug Jennifer Corbett Dooren 2012

For two days, 90% of eBags traffic went to the original control-group site, while 5% of traffic went to a site with the stars and the other 5% went to the one with bars.

Retailers Tweak Sites to Spur Sales Stu Woo 2011

On average, the training took 150 days; subjects and their control-group counterparts were then rescanned.

Week in Ideas: Christopher Shea 2011

Quite simply, the reading comprehension scores of the students improved as though they had spent three more months in the classroom compared with their control-group peers.

Chris Romer: Earn-to-Learn: Innovative Incentives for Learning 2010

For ethical reasons, the other four studies all gave control-group patients somewhat enhanced doses -- although less than the transplant patients received.

Chemo In Question 2008

Aspect's medical director, says Washington University gave its control-group physicians tools and procedures that aren't common during routine surgeries.

Anesthesia Study Questions 2008

The control-group children had three different types of brain-wave responses, depending on the emotions the researcher displayed — positive, negative or neutral.

A Family Affair 2007

We have no two-century control-group world where those books were not published, so we cannot see what effect there would have been without them.

languagehat.com: A SCREENWRITER TALKS SENSE. 2005

A few of the control-group children fell for this trick.

Analog Science Fiction and Fact 2004

The Naval Medical Research Center in San Diego, in collaboration with VA investigators, has begun epidemiological studies comparing Gulf veterans and control-group veterans (who served elsewhere) to detect differences in illnesses, hospitalizations and birth outcomes in large cohorts of active duty service members.

Fact Sheet On Initiatives On Gulf War Illnesses ITY National Archives 1997