Sentences with phrase «by small sample sizes»

All the results should be regarded in light of the methodological limitations of the studies, which, in general, are affected by small sample sizes; assessments at the end of treatment or short follow - up; unclear sample representation; and loss of patients at follow - up.

Prior studies comparing BWL with a specialty treatment for BED have been limited by small sample sizes, inadequate measurement of BED, and the absence of longer - term follow - up.

Our study is not limited by small sample sizes or only a few years of outcome data.

These results are similar to our previous findings and 2 recent studies of no association between influenza infection during pregnancy and ASD risk.8, 10,11,13 Our previous 2 studies were limited by small sample sizes and possible recall bias, which were addressed in this study by using a larger sample size and electronic medical records.

However, prior studies are limited by their small sample sizes (ranging from six to 16 subjects).

But like Kinsey himself, they have been hampered by the dubious reliability of self - reports of sexual behavior and preferences as well as by small sample sizes.

Coyne's view is shaped by the small sample sizes used in early mental health biomarker research — something that can be problematic for rare conditions.

The researchers acknowledged their findings are limited by their small sample size, and that it would have been useful to measure stress and anxiety to see how this was affecting the results.

So this research doesn't target key questions about graduated extinction, and it's limited by small sample size and missing data.

Previous attempts to evaluate the Baby Friendly Initiative within an observational study design have often been limited by small sample size or reliance upon ecological measures of confounding factors.16, 17 The advantage of the Millennium Cohort Study is the availability of individual - level social and demographic information, as well as the circumstances of pregnancy and delivery, allowing adjustment for factors that in other studies may be associated with both policy intervention and infant feeding practices, via area or individual population differences.

The experiment was limited by a small sample size and no control group, but 87 percent of participants reported they were able to adjust to the sol.

Finally, we investigate tentative correlations between host - star masses and planet candidate radii, orbital periods, and multiplicity, but caution that these results may be influenced by the small sample size and detection biases.

Several clinical trials that involved reductions in saturated fat in the context of reduced total fat and increased carbohydrate intake showed no CVD risk benefit, but these studies may have been limited by a small sample size and / or a limited duration of follow - up (12, 13).

As with the cases discussed above, the differences could come from variations in teachers» true value - added across student groups or from measurement error enhanced by the small sample size.

In journal article after journal article, and book after book, I found cat - predation studies that were flawed by small sample size, samples that were not shown to be typical, unjustified generalizations, a failure to account for confounding factors, and a tendency to assume that predation of individual birds necessarily resulted in damage to bird populations at the species level.

Their customer satisfaction score is the lowest in the survey at 3.31 out of 5, although this is admittedly skewed by our small sample size.

However, the study was limited by a small sample size and lack of attention to co-morbid diagnoses, and it has not been replicated to date.

The authors suggest that results may have been influenced by self - selection biases and drop - outs from training, the validity of the AAPI as a measure, and training implementation, as well as by a small sample size.

Bearing in mind that the generalizability of our findings is limited by the small sample size and the narrow diagnostic range of clients, we now turn to the research questions raised above.

The generalisability of our findings is limited by our small sample size, and the predominantly White Australian, middle class sample.

Not exact matches

You never want to make too much out of one poll, and the sample size for individual countries are pretty small in this one, but still, I was struck by some of the results in this international poll of 11 and 12 year - olds, feature in this AM's KidsPost (frequent breakfast reading in our house).

But if the batter goes 1 for 10 by standing backwards in the batters box, putting his helmet on upside - down, forgetting to bring a bat etc, then it is legit to say something is wrong — and saying «Look it's just 10 at - bats, small sample size» would trouble me.

The graph by temperature is interesting although it's still a small sample size of games for a relatively small difference in winning percentage.

This sample size was small, but the shortened shot clock had caused the average total to increase by just over 6 percent.

Small sample size but only about 13 % of games have been decided by 3 so far this year.

Although we're dealing with a small sample size, teams who were defeated by five touchdowns or more have gone 18 - 7 ATS (72.0 %) in their next game.

By now, it's not just fun with a small sample size when it comes to how Juve's defense has rebounded from a truly un-Juventus-like first two months of the season where they were leaking goals on a regular basis.

However, this population - based, case - control study was limited by a low participation rate of 50 % among eligible cases and 41 % among eligible controls and a small sample size of 185 SIDS cases.

Personally, I find it rather ironic that you're lecturing the blog author on the rigor of language, when, faced with the need to support the claims made by a documentary that has faced absolutely no real standards of intellectual rigor or merit (the kind of evidence you apparently find convincing), you have so far managed to produce a study with a sample size too small to conclude anything, a review paper that basically summarized well known connections between vaginal and amniotic flora and poor outcomes in labor and birth before attempting to rescue what would have been just another OB review article with a few attention grabbing sentences about long term health implications, and a review article published in a trash journal.

About the size of «a hair on a bumblebee,» he says, with a circuit the size of a dime, it contains no optical lenses and works by allowing a small volume of fluid to flow across a microchip, which then sends images of the sample to a computer.

By studying core samples taken from the river delta, the research team, led by Zhen Li of East China Normal University in Shanghai and colleagues, detected patterns and sizes of charcoal to indicate fire distance (small particles can travel farther than 100 meters, whereas larger ones stay put) as well as pollen to deduce the presence of either crops or nonagricultural florBy studying core samples taken from the river delta, the research team, led by Zhen Li of East China Normal University in Shanghai and colleagues, detected patterns and sizes of charcoal to indicate fire distance (small particles can travel farther than 100 meters, whereas larger ones stay put) as well as pollen to deduce the presence of either crops or nonagricultural florby Zhen Li of East China Normal University in Shanghai and colleagues, detected patterns and sizes of charcoal to indicate fire distance (small particles can travel farther than 100 meters, whereas larger ones stay put) as well as pollen to deduce the presence of either crops or nonagricultural flora.

The earlier Cochrane analysis found Tamiflu cut the risk of complications by 67 per cent, but the new one cuts this to 45 per cent, although the finding is statistically uncertain because of the much smaller sample size.

Lab - on - a-chip designates devices that integrate various biochemical functions on a fingernail - sized chip to enable quick and compact biological analysis or medical diagnosis by processing a small volume of biological samples, such as a drop of blood.

Performing 800 nanoindentation experiments in which they varied the size of the indentation by varying the load applied to the diamond tip pressed into the sample, the research team found that the smaller the size of the indent, the harder, and thus stronger, olivine became.

But he cautions that, due to the small sample size used by the team, «it is not possible to see well - defined trends that would suggest the existence of bystander effects.»

However, new work by astronomers at the University of Sheffield has discovered an incident of a star being destroyed by a supermassive black hole in a much smaller sample size — a group of just 15 galaxies.

The large sample size combined with sensitive sequencing techniques that detected even rare alleles and infections by multiple parasites enabled researchers to find an allele - specific response that smaller studies had missed.

The radial velocity sample was supplemented by transiting planets smaller than twice the size of Earth around stars meeting the same criteria as the radial velocity targets.

But until now, conclusive results have been limited by the very small sample size of ancient quasars.»

Aggregate effects on IGF and its BPs were estimated by multivariate regression on macronutrient sources from dietary questionares and blood samples in 4700 + subjects, but the effect sizes were small and the only protein source where a statistically significant effect was seen was with dairy protein and dietary calcium (ie associated with dairy in general population cohorts).

Not only does it use a small sample size, but it is a non-randomized, non-blinded, prospective observational study that may also be confounded by selection bias — in other words, the subjects may not be representative of the population of individuals with IBD.

Regarding carbohydrate source, a diet with a low versus high glycemic index can be used to reduce HbA1c moderately (by ∼ 0.5 %).13 Case series and pilot studies reveal more substantial improvements in HbA1c and other benefits (less hypoglycemia and reduced glycemic variability) with a very low — carbohydrate diet (VLCD).14 — 21 Although varying to some degree among studies, a VLCD is typically defined as ≤ 20 to 50 g per day of carbohydrates or ≤ 5 % to 10 % carbohydrates as a proportion of calories.22 — 24 In T1DM, small sample sizes and methodological issues limit the significance of VLCD benefits, and little is known about prevalence, practice, and sustainability.

The smell of vanilla increased blood flow by an average of 9 %.11 Yet, his sample size was small, and it's hard to say whether this effect was a result of the vanilla itself — or whether the home - baking scent of vanilla is simply one that many men associate with pleasant, affectionate, cuddly memories.

By pooling data across a network of agencies, we help smaller districts and charter organizations meet the 200 - classroom target sample size, with 100 classrooms each in the treatment and control groups.

As the numbers of students scoring in the very high ranges of APTS were, naturally, significantly smaller than those scoring in the mid and low ranges, the sample size was expanded by the inclusion of highly gifted students who had been tested at GERRIC's clinic, which specializes in the assessment of intellectually gifted children and adolescents.

Kevin Courtney, deputy general secretary of the National Union of Teachers (NUT), said the findings were not supported by the evidence, and claimed that the sample size of schools used in the analysis were too small to be «statistically robust».

When «only 20 or so in each sector» were opening, there is a problem with small sample sizes and that in research such as that done by Policy Exchange researchers «never report things like statistical significance» and whether the results could have been due to chance.

Because of the small sample size, groups were compared using descriptive statistics complemented by the close analysis of two cases.

There are serious concerns about reliability when VAMs are computed with small sample sizes or are based on classes not taught by the rated teacher (as appeared to occur in New Mexico, Florida, and possibly New York).

[56] A study conducted by the University of Zurich found that 45 % of the police working dogs were affected by degenerative spinal stenosis, although a small sample size was used.