Sentences with phrase «observational studies look»

Because observational studies look at groups of people and their behavior over time, it's hard to say for sure that other conflicting factors aren't influencing the outcomes they examine.

«This is an observational study looking at data already collected,» he said.

From the Netherlands, we have a prospective observational study looking at whether the female relatives of 790 autoimmune thyroid disease patients would progress to overt hypothyroidism or hyperthyroidism [22].

Not exact matches

Several observational studies have looked at the link between increased consumption of onions and a reduced risk of certain types of cancers, including stomach, breast, colon, prostate and ovarian.

Research is starting to address these issues by using different types of trials that do a better job simulating «real life», and these pragmatic trials look a lot like prospective observational studies.

An important potential limitation of this analysis was that it was based solely on case - control observational studies, as most studies looking at the effects of breastfeeding vs not breastfeeding are.

However, the studies the agency reviewed were almost all observational — meaning the researchers looked at rates of a given health problem among infants whose mothers chose to breastfeed and those whose mothers did not.

A study recently published in Science looked at data from more than 4,200 observational hydrometric stations in Europe over the past 50 years, and picked out some noticeable patterns.

«That's why we wanted to look at the question at issue as part of a major retrospective observational study.

The authors point out that this is an observational study, so no firm conclusions can be drawn about cause and effect, and add their results might not apply to the general population because the study only looked at older patients.

Called the high - dimensional propensity score algorithm (hd - PS), it is a tool for improving not randomized clinical trials but broader observational studies, in which researchers watch a large pool of participants and look for correlations — like the fact that wine drinkers live longer than other drinkers.

«We're looking forward to longer - term results to come in the next five years from various ongoing observational studies,» Dr. Arterburn said: The Utah Obesity Study, the Michigan Bariatric Surgery Collaborative, and large cohorts from Veterans Affairs health system and the HMO Research Network (including Group Health) and should yield important long - term information comparing the efficacy, safety, and costs of surgical and non-surgical care for severe obesity.

A study needs to be designed to specifically look at diet and the effect on mammographic density, and not a study that makes observational conclusions based on a patient's memory, she said.

«There are a lot of small observational studies that looked at people who were treated for blood pressure and, generally, there was an improvement in cognition [thinking skills],» Iadecola said.

And Dr. Len Lichtenfeld, deputy chief medical officer for the American Cancer Society, noted that this was an observational study that only looked at the experience of one institution.

hello mr lowfat now lot's of expert's disagree with the lipid hypothesis coz when the expert's did studys to prove saturated fat causes heart disease they found there is no link between sat fats and disease not only that u have to look at the kind of study coz almost all observational studys don't prove anything coz they don't find a link but a clinical study actually is well controlled and does find a link i'm done

That research brought a lot of attention to the subject and since that time, there has been more epidemiological studies and observational studies that have taken place to look at what's happening on a population level.

Another review published in 2014 looked at data from 76 studies (both observational studies and controlled trials) with a total of 643,226 participants.

A coursework project on Mechanical Forms looking at the different assessment objectives focusing on observational drawings, experimentation and artist studies.

My paper in the American Journal of Education, The Stability of Observational and Student Survey Measures of Teaching Effectiveness, uses data from the Bill and Melinda Gates Foundation's Measures of Effective Teaching study to investigate this issue, looking at the year - to - year stability of several well known and widely - used observational and student survey measures (the Framework for Teaching, the Classroom Assessment Scoring System, the Protocol for Language Arts Teaching Observations, the Mathematical Quality of Instruction instrument, and the Tripod stuObservational and Student Survey Measures of Teaching Effectiveness, uses data from the Bill and Melinda Gates Foundation's Measures of Effective Teaching study to investigate this issue, looking at the year - to - year stability of several well known and widely - used observational and student survey measures (the Framework for Teaching, the Classroom Assessment Scoring System, the Protocol for Language Arts Teaching Observations, the Mathematical Quality of Instruction instrument, and the Tripod stuobservational and student survey measures (the Framework for Teaching, the Classroom Assessment Scoring System, the Protocol for Language Arts Teaching Observations, the Mathematical Quality of Instruction instrument, and the Tripod student survey).

Develop close looking techniques which will enhance critical thinking and observational skills, which may be applied in all fields of study

Health Disparities Strong When Green Space Limited The authors of the November 8 article, «Effect of exposure to natural environment on health inequalities: an observational population study,» looked at mortality data in England and found that the disparity in health between rich and poor was double in the parts of the country with the least green space, compared to those with the most.

Adult psychosocial outcomes of men and women who were looked - after or adopted as children: prospective observational study