Sentences with phrase «comparing sample tests»

From talking with teachers and comparing sample tests (I specifically compared history subject tests), many of these tests appear roughly equivalent, despite some different packaging.

Not exact matches

For example, labs take DNA samples from patients being tested for cancer and runs tests to detect if mutations typically associated with cancer are present; a diagnostician then examines those genetic mutations and compares them to known instances; finally, based on that information a physician recommends a course of treatment.

«The employees with the highest revenue per hour — an average of $ 208, compared with $ 138 for the full sample — were ambiverts who had a personality test score exactly between extroversion and introversion.»

After taking samples and conducting brain scans, the researchers found that 41 percent of mothers of babies with microcephaly tested positive for Zika infection in blood or cerebrospinal fluid samples, compared with none of those whose babies did not have microcephaly.

The «out of sample» behavior of the economy at that time, compared with post-war behavior, prompted my insistence on stress - testing our methods against Depression - era data.

The snacks were divided into subgroups based on product type (fruit drink snacks, licorice, non-dairy ices, ice creams and savories) and their caloric content per portion was compared with the caloric content of reference products derived from the Dutch Food Composition Database [13], using one - sample t - tests.

The team compared the purchased samples with their own preparations of human milk diluted with cow's milk to approximate the amount of contamination required in order to test positive for bovine DNA.

During November 2010 alone, 490 samples were tested, compared with a previous monthly average of fewer than 200.

However, Schweitzer and her colleagues conducted a number of different tests on the T. rex sample, including testing for keratan sulfate using monoclonal antibodies, and compared their results to the same tests performed on known medullary tissue from ostrich and chicken bone.

Testing human samples, the team documented higher expression of RORα in skin Tregs compared with those in blood, similar to mice.

It involved intensive molecular testing of swab samples from 87 women who had acquired HIV infection and of 262 who did not, and sophisticated analysis comparing the vaginal microbial communities in each of those groups.

The samples they tested showed that bacterial and fungal communities responded differently to viticulture: bacteria had a higher biodiversity in vineyards, compared to fungi which had higher biodiversity in unmanaged areas.

By testing many clay samples of known ages from both sides of the mountain range and comparing their ratios of heavy isotopes, Chamberlain and Poage found that the Southern Alps of New Zealand rose abruptly by 2 kilometers 5 million years ago.

The researchers tested blood samples taken from four people who had been infected with Zika virus and compared it to blood from five people known not to have the virus.

Another criticism is that there are no good and relevant norms — at least for the populations companies want to test; comparing them with North American samples, mostly white undergraduates, is dangerously misleading.

He has recently completed a nanoscale experiment that compares the attractive force between a gold - coated sphere and test samples of gold and germanium coated with a shared layer of gold.

Rather than screening an athlete's blood or urine samples for traces of banned substances right before or after a competition, testers using the ABP scheme compare samples with an athlete's baseline profile, as determined by multiple tests over time.

In addition, the scientists compared the tests» performances on 284 previously collected blood samples.

Results from testing water samples for pathogens including Giardia lamblia and Cyrptosporidium parvum using the technology were compared with results obtained using a tabletop optical microscope.

After clearing the samples of variance due to technical artifacts that could potentially confound the findings, they performed 3.5 trillion statistical tests against every mutation in the genome compared to every expressed gene in each of the 44 tissues.

In this study, they compare the immune responses in samples from 24 blood donors who had earlier asymptomatic infections (confirmed by laboratory tests) with those in blood samples from 16 individuals diagnosed with WNV infections that had caused neuro - invasive disease with neurologic symptoms including confusion, tremors, seizures, paralysis, and vision loss.

This new probe is extremely sensitive and was used at very low concentrations to correctly identify every positive amyloidosis sample when compared to the traditional clinical tests.

Shennan tested whether changes in climate hit the farmers hard by comparing the patterns of population growth and decline with regional fluctuations in climate, as reflected in Greenland ice core samples.

Student's t tests excluding the outlier indicated a p - value of < 0.04 for the remaining five pandemic H1N1 samples compared with the IgG memory and germinal center (GC) cells or the primary IgG plasmablast responses (0.2 with EM included) and a p - value of < 0.0001 against the IgM populations.

He compared the pit — so named because it is spherical and positioned near the center of a warhead — to the heart of a human being, explaining that destructive testing is like taking a blood sample capable of exposing harmful maladies.

To test the two hypotheses, we needed to compare Ötzi's mitochondrial DNA with a larger number of modern samples.»

Widespread use of non-invasive prenatal screening has led to a decline in invasive testing, and since samples are more likely to be evaluated locally, rather than a central service, there is a wider range of options for cfDNA testing compared to other parts of the world.

Whole Exome Sequencing (WES) on all samples (as compared to targeted sequencing panel or other more limited testing)

We compared the cell - fractions of pre - and post-mortem samples globally using the Anderson — Darling test53 and by cell - type obtaining a p - value using the two - sided Wilcoxon Rank - Sum test54, adjusted to multiple - testing by Benjamini — Hochberg method44.

Using 54 urine samples from patients with E. coli - caused UTIs, the researchers compared the results of their test to a standard test that normally takes two days.

The team also used molecular simulation tools to test the natural shape variations, called «conformations,» in the samples, and compared these simulated shapes with observations.

Unlike comparable technologies, our platform provides over 220 biomarkers from a single blood sample, a major advantage when compared to the handful of biomarkers captured by routine blood cholesterol tests.

Using self - sampling followed by HPV - test, twice as many women with cervical intraepithelial neoplasia - positive (CIN2 +) could be identified compared to Pap smear cytology.

The median normalized data from control and testing samples are compared to each other in fold change for further identification of differentially expressed genes.

For the comparison of the ROC curves, we focused on the sensitivity, comparing the sensitivity between different technologies and samples with paired two - sample Student's t - tests.

After checking for normality using the Shapiro - Wilk test, one - sample t - tests were conducted to compare the overall mean sensitivity against chance - level (0.5), and mean bias against 0, as well as paired t - tests to compare mean sensitivity and bias for the two LEVELS OF EMBEDDING separately.

When comparing all technologies, the overall best sensitivity was achieved by HiSeq2000 (99.15 % for sample MB24) followed by Complete Genomics (98.38 % sensitivity)(paired t - test on percentage sensitivity comparing Complete Genomics 50x and HiSeq2000 30x, p = 0.008651).

Compare that to those who have just been diagnosed and not yet treated, whose tests show millions of copies in the same sample size.

When the researchers compared average cytokine levels in CFS patients versus the healthy control samples, they found that only 2 of the 51 substances they tested for were significantly different: One, called tumor growth factor beta, was higher in CFS patients, while the other, called resistin, was lower.

Single sample t tests were used to compare changes in weight from a zero baseline.

This objection also applies to several popular methods of standardizing raw test scores that fail to account sufficiently for differences in test items — methods like recentering and rescaling to convert scores to a bell - shaped curve, or converting to grade - level equivalents by comparing outcomes with the scores of same - grade students in a nationally representative sample.

Washington — A Pentagon - sponsored study comparing military recruits with a representative sample of other young Americans has found that the military volunteers — black, white, and Hispanic alike — score better than their civilian counterparts on a standard vocational aptitude test.

Table 1, in the appendix (please see attached PDF), compares features of the four studies, including the populations served by the programs, sample sizes of the studies, the test that studies used as their outcome, and how the studies measured impacts on those tests.

Using information from a national sample of public and private school students collected in 2003 as part of the National Assessment of Educational Progress (NAEP), ETS compared the test scores of public school students with those of students in all private schools, taken together.

In a February presentation the department compared sample student score reports for PARCC to reports from prior standardized tests, saying PARCC results should shift conversations to deeper levels, like how parents and teachers can work together to improve a child's skills.

Results of paired - samples t - tests suggest that Tutorials had a statistically significant impact on middle and high school student posttest achievement compared to pretest performance.

State officials said it's sometimes unfair to compare California NAEP scores with those in other states that often don't test a «comprehensive sample» of students.

The researchers used an unpaired samples t - test for comparing pre - and post-program surveys and analyzed qualitative data using coding to identify emergent themes, a model building method, and triangulation to ensure the reliability and validity of findings.

We used paired - sample t - tests to compare mean ratings of various sources of leadership.

Known as «The Nation's Report Card,» NAEP tests a representative sampling of students in core subjects every two years, and it's one of the few means of comparing student achievement among states.