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biases in Medical News

Your Surroundings Mirror Your Beliefs

...rvatism -- including mentions of Rush Limbaugh and Dick Cheney -- without looking at the other side. "It is always easier for us to identify these biases that suggest close-mindedness in others than it is to identify them in ourselves or those who agree with us, even if you are a scientist who studies b...

Depression does 'make your brown eyes blue'

...hiatrists a better way to diagnose depression. Currently there is no non-biased test to assess whether someone is clinically depressed. Because of the biases inherent in self-administered tests, diagnostic questionnaires can produce inaccurate results, denying patients medication or hospitalization. Dr. ...

Survey finds nearly half of Americans concerned they or their family may get sick from swine flu

... non-sampling error include non-response bias, as well as question wording and ordering effects. Non-response in telephone surveys produces some known biases in survey-derived estimates because participation tends to vary for different subgroups of the population. To compensate for these known biases, sampl...

New Analyses from 16-Year Follow-up Trial with Betaseron(R) Demonstrated that Early and Sustained Treatment of Multiple Sclerosis Patients Enrolled in the Trial Affected Their Long-term Outcomes

...es showed the potential for long-term benefits of starting Betaseron treatment early and staying on therapy, even after accounting for known potential biases that may arise in the long-term follow-up observational studies," said Dr. Douglas Goodin, Director of the Multiple Sclerosis Center at UCSF Medical C...

When Breast Cancer Recurs, Finding Pre-Symptoms Is Key

...stralia, said in a news release from the journal. "We set out to estimate the effect of early, asymptomatic detection while adjusting for the two main biases known to be associated with non-randomized studies of the impact of early detection -- lead time and length bias -- so we believe that the estimates w...

Early detection of second breast cancers halves women's risk of death

...pects of early detection of second breast cancers. We set out to estimate the effect of early, asymptomatic detection while adjusting for the two main biases known to be associated with non-randomised studies of the impact of early detection lead time and length bias so we believe that the estimates we re...

Bias Against Obesity Is Found Among Future Dietitians

...re published in the March issue of the Journal of the American Dietetic Association . But the students aren't alone in their beliefs and share the biases with other health-care providers, Puhl said, adding that other studies have shown that many health professionals have negative perceptions about very ...

Immune cells from patients with rheumatoid arthritis have prematurely aged chromosomes

...do with the pool of T cells it already has. "What we see in rheumatoid arthritis is an aged and more restricted T cell repertoire," she says. "This biases the immune system toward autoimmunity." Weyand, postdoctoral fellow Hiroshi Fujii, MD, PhD, and their colleagues were interested in mechanisms of T...

His and hers: Study examines the role of gender in the stigma of mental illness

...ed as pathologically dependent and depressed. Psychologists James Wirth of Purdue and Galen Bodenhausen of Northwestern wanted to know if these gender biases contribute to the harmful stigma of mental illness. Specifically, they suspected that when the mentally ill act "out of character," violating the ster...

Native American Children are at Greater Risk for Clubfoot Recurrence

... complete understanding and awareness of the cultural differences that exist. As orthopaedic surgeons, we need to educate ourselves about the cultural biases existing in all our patient populations." Several cultural factors may contribute to the breakdown in communication. According to Dr. Szalay, Nat...
biases in Medical Technology

invivodata Certified to Deliver EXACT in COPD Trials

...based on over 20 years of research, deliver reliable patient self-reported data by driving patient compliance with the protocol and eliminating recall biases that plague paper-based self-report data. invivodata's solutions include comprehensive trial-support services that facilitate the collection of ePRO d...

invivodata Captures Symptom Relief Data in Endometriosis Trial

...based on over 20 years of research, deliver reliable patient self-reported data by driving patient compliance with the protocol and eliminating recall biases that plague paper-based self-report data. invivodata's solutions include comprehensive trial-support services that facilitate the collection of ePRO d...

Roche responds to announcement of 'IDEAL' hepatitis C trial results

...patients with hepatitis C, in the United States and globally. Despite clear biases in the design of the "IDEAL" study that potentially favored patients taking...ng schedule. This mismatch of ribavirin dosing introduces several potential biases into the study because experts agree that an optimized dose of ribavirin, w...

In New Study, Duloxetine Was Equally Effective, Regardless of Switch Method, in Reducing Painful Symptoms in Ssri Non- or Partial-responders with Depression

... period), and there was a low rate of discontinuations due to adverse events (6.6 percent DS vs. 3.8 percent STS). This was an open-label study, so biases inherent in open-label studies could have been a factor in the observed outcomes. Due to the large number of possible SSRI/dose possibilities for pati...

Testing for Human Papillomavirus

... long the vaccine is effective, although data suggest 5 to 10 years. Key questions regarding the vaccine target population and religious and cultural biases against giving a vaccine that prevents sexually transmitted disease to children need to be resolved. Although the public health success of HPV vaccin...
biases in Biological News

Gender biases in leadership selection during competitions within and between groups

What makes a great leader? Traits that we look for typically include a sense of power, great negotiating skills and lots of charisma. However, a recent study suggests that it is not just an outgoing personality and great communication skills that determine who is chosen as leader of a group. Previ...

Understanding biases in epidemic models important when making public health predictions

Mathematical models have become invaluable decision-making tools for public health officials. As demonstrated during the United Kingdom's foot-and-mouth epidemic of 2001, models can be useful in two ways: they can reveal the underlying characteristics of an infection and they can allow the comparis...

New research shows dinosaurs may have been smaller than we thought

...uding brain size and egg size. The problem occurs as a result of transforming the data, which changes the properties of the original data, and creates biases that can affect the predictive results obtained from the equation. Birchard and his colleagues realized there was an error when they used the equat...

Ability to literally imagine oneself in another's shoes may be tied to empathy

...st involves looking at a horizontal line and marking the midpoint. Although this task is very simple, it appears to be a powerful way to assess subtle biases in spatial attention." The researchers compared performance on the test with how empathetic the subjects reported themselves to be. They found that...

Calculating gene and protein connections in a Parkinson's disease model

...aspects of cellular response, something that researchers had not realized until now. However, the new algorithm, known as ResponseNet, exploits these biases and allows for combined analysis. In this combined analysis, both data types are integrated with molecular interactions data into a diagram that c...

Satellites search out South Pole snowfields

...oring disaster areas. Some of these measurements require the detection of changes of a few tenths of a percent per decade, yet current sensors exhibit biases between themselves of many percent, often more than 20 times this level. Over 30 sensors from space agencies across the globe, including several fr...

Experts discuss applying systematic review to the field of nutrition

... Institute for Clinical Research and Health Policy Studies at Tufts Medical Center. "To be involved in a systematic review, I must be free of personal biases or vested interest in a particular outcome. I focus on the methodology and look to my colleagues for their nutrition expertise," says Lau, also a prof...

The American Society of Human Genetics hosts 58th Annual Meeting in Philadelphia

... session will also provide press attendees with tips on how to more accurately cover topics and issues related to human genetics, and how to avoid the biases and inaccuracies that are commonly found in news and "infotainment" media coverage. To view a complete listing (and the full-text abstracts) of all...

Too few women scientists achieving academic leadership positions

... Academy report entitled Beyond Bias and Barriers, which attributes the lack of women in academic leadership positions to a combination of unconscious biases and archaic university structures, Handelsman and Birgeneau support the Academys recommendation for educating the academic community about the insidio...

Children with autism don't adapt as readily to unfamiliar faces

...ed. Evidence of that flexibility stems from a phenomenon known as the face identity aftereffect, in which looking at a particular face even briefly biases perception toward people who have the opposite identity, she added. Upon seeing a person with thicker-than-average lips, the observers idea of the typ...
biases in Biological Technology

Unexpectedly long-range effects in advanced magnetic devices

...opposite direction if the external field is reversed. For reasons that are still debated, the presence of the antiferromagnetic layer changes this. It biases the ferromagnet in one preferred direction, essentially pinning its field in that orientation. In a magnetoresistance read head, for example, this pin...

DNA2.0 Awarded US Patents for Breakthrough Gene Optimization Technology -- Company's Unique Algorithm Enables Expression Yields up to 50 Times Greater than Competing Approaches

...rganism. "Our overarching gene design technology is far more effective than traditional codon optimization techniques that simply use codon biases of native genes," said Claes Gustafsson, VP of Sales and Marketing and co-inventor on the patents. "DNA2.0 is currently working with partner...

invivodata Announces ePROficiency 2009 Web Seminar Series

...based on over 20 years of research, deliver reliable patient self-reported data by driving patient compliance with the protocol and eliminating recall biases that plague paper-based self-report data. invivodata's solutions include comprehensive trial-support services that facilitate the collection of ePRO d...

invivodata and PRO Consulting to Present at International Industry Events

...based on over 20 years of research, deliver reliable patient self-reported data by driving patient compliance with the protocol and eliminating recall biases that plague paper-based self-report data. invivodata's solutions include comprehensive trial-support services that facilitate the collection of ePRO d...

Saving Certified Continuing Medical Education (CME)

...n Council for Continuing Medical Education (ACCME) which accredits providers of CME found 'no evidence to support or refute the assertion that support biases CME'. In a recent poll 92% of the consumers of the CME system, physicians, disagreed with the Committee's call to end commercial support of CME. Indus...

GlaxoSmithKline Responds to JAMA Article on the ICES Thiazolidinediones and Cardiovascular Outcomes in Older Patients with Diabetes

...sulin combinations within the comparison group. Insulin is known to be associated with increased CHF and cardiovascular risk. Therefore, this biases the TZD combination group towards increased cardiovascular risk relative to the comparison group. This also permits more advanced patients, w...

Despite gains, women still face bias in science careers

...natory ways." "Studies show we all have biases," says Handelsman. "These biases are insidious" as they create an unfair system in which to publish and comp...d promotion committee members, department chairs and deans in understanding biases related to gender, race and ethnicity. Handelsman says that although uni...

Business leaders can learn from historical insights

...tten who originally said things or when they were said. Many times, our own biases will come into play, and we will think someone said something when they did...a huge impact, the sources mostly are forgotten. Hopefully, your own set of biases and personal experiences won't cloud your judgment. These quotes came from ...

Study affirms information technology-productivity link

...d to inflation, interest rates, and job creation. Michael Knetter, dean of the University of Wisconsin-Madison School of Business , cautioned that biases can creep into a study produced by a group that is funded by technology vendors like IBM , Cisco , and eBay , but he did not dispute the productivi...

Measuring siRNA-mediated knockdown of IL-8 mRNA

...tors are variability and inaccuracy arising from differences in sample loss during the RNA purification steps, as well as sequence-specific and random biases that occur during enzymatic amplification processes. This application note presents the QuantiGene Reagent System as an alternative method for direct ...
biases in Biological Products

GenomeLab GeXP Genetic Analysis System from Beckman Coulter

Description:...m provides high-throughput, quantitative gene expression analysis via scalable, multiplexed PCR*. The systems patented priming strategy overcomes the biases that limit standard multiplexed PCR analysis to just a few genes at a time. GenomeLab GeXP delivers more genes per reaction and more samples per run,...
Company:Beckman Coulter
biases in Biological Dictionary

Homoplasy

...... Several empirical approaches have been used to estimate levels of homoplasy in AFLP data sets. ... This suggests that homoplasy may produce biases in the ... relating homoplasy to the rate of character change and the number of evolvable ... necting homoplasy and development, and to. form...

Forebrain

... and used books like Distribution and Phenotype of Proliferating Cells in the Forebrain of... A basal ganglia- forebrain circuit in the songbird biases motor output to avoid ... GABAergic and cholinergic basal forebrain and preoptic-anterior hypothalamic ... Identify the forebrain , midbrain a...

Codon Bias

...xpression. Codon bias has been identified as the ... Codon bias . biases in codon usage provide evidence for constraints on silent sites. ... has also been suggested that codon biases are caused by directional (or ... Codon bias is exploited by the bi...
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