Sentences with phrase «large samples does»

However, statistically significant findings in large samples does not necessarily yield clinical significance.

Second, conducting a large - scale survey with such a large sample does not allow for individual in - depth interviews.

Not exact matches

It was the largest scientific campaign ever at the time and responsible for collecting microbiotic samples from 2,500 people — the largest study that's ever been done on the microbiome.

Part of the problem, according to Kelley, is that many designers don't make samples of clothes used in cover shoots and advertisements in sizes larger than a two.

The project is detailed in the contract as a seven step process — with Kogan's company, GSR, generating an initial seed sample (though it does not specify how large this is here) using «online panels»; analyzing this seed training data using its own «psychometric inventories» to try to determine personality categories; the next step is Kogan's personality quiz app being deployed on Facebook to gather the full dataset from respondents and also to scrape a subset of data from their Facebook friends (here it notes: «upon consent of the respondent, the GS Technology scrapes and retains the respondent's Facebook profile and a quantity of data on that respondent's Facebook friends»); step 4 involves the psychometric data from the seed sample, plus the Facebook profile data and friend data all being run through proprietary modeling algorithms — which the contract specifies are based on using Facebook likes to predict personality scores, with the stated aim of predicting the «psychological, dispositional and / or attitudinal facets of each Facebook record»; this then generates a series of scores per Facebook profile; step 6 is to match these psychometrically scored profiles with voter record data held by SCL — with the goal of matching (and thus scoring) at least 2M voter records for targeting voters across the 11 states; the final step is for matched records to be returned to SCL, which would then be in a position to craft messages to voters based on their modeled psychometric scores.

In 2001 she founded Web Mystery Shoppers Inc., one of the world's first remote usability testing companies, and one of the very few to do large - sample size usability testing.

It uses a sample of the population, but a very large one, so that members of small religious groups actually do show up (as they often do not in smaller national surveys).

Quality of Wine Although we do not receive as many shipments of wine from the Plonk monthly wine club as we do from other wine clubs, we have sampled a large number of their wines over the last several years.

Prudence dictates that oats should be avoided until large - sample, long - term tests on oats are performed, strains of oats that do not elicit immune reactions are discovered, and tests that can accurately determine whether a patient reacts to oats become available.

The sample provided to us was relatively small and, while we do not know explicitly what the Guinness Book of Records testing requirements would be, we would expect that they would require at least one more test with a larger sample and possibly a corroborating test in another lab.

Like, what sample size is large enough / what would you need to see in order to be convinced that we could do better than Bush?

And in fact it could give Wenger ammunition (as if he needed more) to make a case of why he didn't spend as much or felt that the way certain players finished the season deserves an endless show of faith to prove something we know already from a larger sample there not (at least at Arsenal under Wenger that is).

The reason they didn't find anyone breaking the model was that they had a very high standard: players had to really outscore the model over multiple seasons in order to produce a sample size large enough for them to pay attention, and individual players have rarely done that.

You have to do small scale beta runs of larger batches than a sampling / tasting, but without moving over the whole enchilada.

Although previous research suggested that online messages do not work, it is possible that conventional sample sizes may not be large enough to detect the modest effect sizes shown here.

A new peer - reviewed study discredits findings of controversial research claiming that higher concentrations of dissolved methane in domestic water wells can be associated with proximity to nearby gas - producing wells in northeastern Pennsylvania — and it does so using a much larger sampling size and pre-drill baselines.

In pollster - ese, we would resume polling on Monday with a separate survey of New York voters on the question of the governor's political future, include questions about the Gillibrand - Ford Democratic Senate primary (we didn't have a large enough sample of Democrats from the previous week), eliminate the now - outdated Paterson - Cuomo primary matchup, and take the 646 completed interviews from the previous week as a done deal on the remaining approval ratings and general election toss - ups.

«It goes against intuition, but you don't need a large sample size.

Then in 1990, after 15 years» work refining sample preparation and electron detection, Henderson succeeded in using an electron microscope to create an image of a large bacterial cell membrane protein called bacteriorhodopsin, and do it at atomic resolution.

«However, while promising, we didn't have a large enough sample size to draw firm conclusions about using bone mineral density to determine sex — that would require a larger study,» Ross says.

Young scientists «might spend much of graduate school optimizing computer code for a large physics experiment, or extracting samples in a biology lab, or doing the statistical analyses on other people's data,» Walsh and Lee write in their email.

They do this regardless of whether the average rating is based on a small or a large sample of consumers.

Sample sizes did appear to get larger over the 10 - year period, which was a positive sign.

Jackson, however, contests that characterization and argues that Siegel's larger sample size doesn't necessarily make for a better study.

It's just amazing that, you know, you could capture that much information and it's interesting in the scientific perspective because what we are finding right now with issues like climate change and conservation is that we really need fine - grained samples from very large geographic areas to really understand the dynamics of species range movements and how fragmentation is occurring and many biogeographic questions, and literally, the only way we can do this is through voluntary networks like this because it would cost billions and billions to send professionals out at that finer scale to understand it.

Analysis of 113 fecal samples of patients with metastatic melanoma found that those who responded to a PD1 checkpoint inhibitor had a greater diversity of gut bacteria and larger volumes of a specific type of bacteria than those who did not respond.

Let me just say that the larger the landscape scale on which you examine diversity, the more likely you are to get very different habitats in your sample — hills and ravines and bottom lands and river courses — and the neutral theory at present doesn't encompass any heterogeneity of that sort.

«It was a first - in - man case study to validate our mouse studies — now we have to do it in a larger sample,» Halpern says.

Thus, our results showing no differences in D2 / D3 receptor availability (except for a trend in ventral striatum), using a larger sample (24 marijuana abusers) than that used for studies that identified reductions in striatal D2 / D3 receptors in alcoholics and cocaine abusers, indicate that marijuana abusers, different from other drug abusers, do not show significant striatal D2 / D3 receptor reductions.

This is traditionally done with an array of particle detectors deployed on a large grid, which then sample the energetic «air - shower» particles made in atmospheric interactions of the original cosmic particle.

But a group led by geologist Rajdeep Dasgupta of Rice University in Texas put very small samples of peridotite under very large pressures and discovered mantle rock can and does liquefy, at least in small amounts, as deep as 150 miles (250 km) in the mantle.

To do the study, Ahn and her colleagues analyzed oral - wash samples collected over several years as part of two large cancer prevention and screening studies conducted by the National Cancer Institute and the American Cancer Society.

But Reid cautioned that the small patient sample and the small number of genes analyzed means that the results should be considered preliminary until a larger study is done.

WISH The ideal way to do this kind of analysis would be with large family data sets with diverse tissue types, so that the researchers know the parental genotypes, but Lappalainen says only data sets from blood samples are currently available.

EML4 was novel, but when the authors imputed sequencing variants into a much larger sample collection (44,414 individuals from 17 other studies), the association didn't hold up.

You may have large - scale RNA - Seq data, and don't know whether technical effects are relevant; or you may have large grouped cohorts of DNA - Seq data, and need to narrow down your variant list to a few significant ones, associated with disease; or you may want to do an integrated study on a dataset containing RNA and ChIP - Seq samples.

We do so by comparing the fraction of stars with only p - dominated mixed modes in binaries and in a larger set of stars from the APOKASC sample.

«The reason we did this survey is because in 2008, a large survey of the Great Plains was conducted and Texas had 60 - 70 percent of the samples testing positive for wheat streak and 30 percent positive for triticum,» Rush said.

The insider doc aims to dive deep into what needs to be done to disrupt the thin - centric modeling milieu through the eyes of models, agents, photographers, and clients: larger sample sizes, the removal of plus - size boards and the eventual integration of all models at agencies, and making plus - size model appearances in high profile media a non-event.

Small studies don't find any benefit, but when you get a large enough sample size you can find a clear winner, which suggests there might have been some «hidden» benefits all along.

Silver Nanoparticles: No Threat to the Environment - This report will demonstrate that silver nanoparticles do not remain «nanosize» when they come in contact with normal environmental samples, such as soil and water, but they agglomerate to form much larger, much less biologically effective, silver particles which are non-toxic, non-ionic and have no history of being harmful to the environment or aquatic life.

Due to the relatively small sample sizes, all of the effects are imprecisely estimated and do not allow us to definitively rule out reasonably large positive effects.

There are several versions of NAEP intended to sample different groups of students — the nation as a whole, individual states, or large cities — but its overall goal is to provide citizens a snapshot of how we're doing as a country.

Recent data from a study we are doing here at Wellesley Centers for Women with a large, racially diverse sample of low - income students in a large urban school district found that 95 percent of students, both boys and girls, aspired to attend college when asked in 9th and 10th grade.

Simply find large samples (pruned branches will do, or potted domestic varieties from a greenhouse or nursery).

We're going to recruit 20 schools over the next few years and we're going to do that in two cohorts — we're going to do that in 10 schools next year and then another 10 schools the following year (we're actually doing recruitment at the moment for that), and we're going to test it with a larger sample to see whether our initial positive findings hold and whether they have the same benefits that we've seen so far.

-LSB-...] Assuming a proposed intervention involves students doing virtually anything more cognitively challenging than passively listening to lecturing - as - usual (the typical straw man control in education research), then a researcher is very likely to find a positive difference as long as the sample size is large enough.

I do this by looking at the sample of students who are continuously enrolled in a district school between grades 3 and 5 in order to exclude students coming from and going to other schools; their results are nearly identical to, if not slightly larger than, the effects on the full sample.

The bottom line is that it was not done by the seat of our pants, but by evaluating data collected on large samples of children.»

And that would have a particularly large impact on states and districts serving lots of disadvantaged students — especially because NCES included a paper - and - pencil sample at the national level large enough to ensure consistent national trends but did not do the same at the state and local levels.