Treatment Bias Can Skew Results of Observational Studies
Researchers suggest cancer studies like this should be viewed with caution
MONDAY, April 21 (HealthDay News) -- Certain biases may compromise the findings of observational studies that compare the outcomes of different cancer treatments, a new study shows.
Researchers at the Univers...
Extra Time for Students With Learning Disabilities Does Not Skew SAT Scores
Requests for extended time are the most common but contentious accommodation requests made by students with learning disabilities (LD) and/or AD/HD taking college entrance and licensing exams. According to a new study in Learning Disabilities Research & Practice, students given extra time respond ...
Marriage Ends, Health Declines
...issue of the Journal of Health and Social Behavior .
After adjusting their statistics to account for such factors as race and gender, which could skew
the results, the researchers found that those with "marital loss" -- meaning losing a spouse to death or divorce -- had 20 percent more chronic health...
NACDS Urges Clarifications, Enhancements in Two Pharmacy Reimbursement Provisions in House Healthcare Reform Legislation
...cians, and clinics remain part of the AMP definition. Clearly, these entities are not part of the retail class of trade, and inclusion of these sales skew
the AMP benchmark downward. While we recognize that an AMP may need to be calculated for these sales for the purposes of rebate collection, they shou...
CDC Report on Foodborne Illness is Skewed by Single Large Outbreak
...has published a report on foodborne illness which presents a misleading picture of the safety of poultry. The report contains anomalies that seriously skew
The report suggests that poultry is the single leading cause of outbreaks of foodborne illness, with poultry responsible for 21 perc...
‘HairConfirm' Is First Drug Test of Its Kind to Report Low/Medium/High Usage; Now Available at Local Discount Drug Marts
...ore drug users than urinalysis. Urinalysis also carries the risk of substitution of a sample, dilution and addition of a foreign substance designed to skew
HairConfirm is now available at a local Discount Drug Mart and sells for $59.99 including a collection kit, prepaid return envelope,...
Women may not be so picky after all about choosing a mate
...tudy presents a clear example of how inconspicuous gender norms (having men rotate and women sit) can not only affect the outcome of a study, but also skew
the chances of a speed dater walking away with a potential match.
"Our society is structured in gendered ways that can be subtle but very powerful,...
Rate Your Doctor at DrScore.com for Doctor's Day
...Dr. Feldman. "If a health care provider is hesitant to ask patients to rate them online because he or she is concerned that an isolated criticism will skew
the score, we say that the best solution is to solicit the input of ALL patients to show the public a more representative score."
Barton Bishop, ...
Survey could help pediatricians better treat patients
...ch, particularly in different populations of children. The children researchers studied were all enrolled in state-funded health programs, which could skew
the results because lower socioeconomic status is often associated with poorer health outcomes, Huang said.
The researchers also need to make the s...
Genome-wide Association Studies Must Account for Ancestry
...r for rheumatoid arthritis in the Asian population. That means that if Asians were mixed into a genetic study on rheumatoid arthritis it could greatly skew
“When you put thousands of these markers together, you get a probability of who comes from Sweden or Southern Italy,” s...
Late motherhood boosts family lifespan
...ngth of their fertile periods and lives. "Not many data sets could do this," Smith says.
The researchers controlled for various factors that could skew
the results. For example, they excluded any individuals who did not live to at least 50 because a husband's death at a younger age would influence his...
September Geology and GSA Today media highlights
...ic differentiation. This study concludes that the origin of rise-parallel changes in magmatic differentiation and seafloor depth is a newly discovered skew
between the axes of mantle upwelling and plate spreading. The depth of fast-spreading ridges is thus controlled primarily by the geometry of mantle up...
Diet prior to pregnancy determines sheep's gender
...tal study in controlled conditions showing that supplementing maternal diet, in this case by increasing omega-6 polyunsaturated fatty acid intake, can skew
the sex ratio towards males in a farm species."
These findings will be important to the livestock industry. As Roberts points out "Increasing the a...
Hope I die before I get old?
... They were also asked to guess the happiness of the average person at each of those ages.
To make sure that their online survey methodology didn't skew
the results by including an atypical group of older people, the researchers compare the older group's happiness self-ratings with those from self-rati...
Researcher gives hard thoughts on soft inheritance
...these pregnant moms up with these dietary supplements, you might be able to skew
the DNA methylation patterns, and thus skew
the way the mice come out at the end of the day, and it works,'" Richards s...