Sentences with phrase «limited sample size of»

Second, the limited sample size of the high trajectory also meant that we could not examine the relative importance of cognitive, social competence, and temperament variables in one model.

a. Due to the limited sample size of the Survey of Consumer Finances, we use households headed by 24 to 30 year - olds to ensure robust estimates.

Not exact matches

But it's also true that this limited sample size has seen a wide range of returns between the best and worst case scenarios.

We limited our sample population to those who agreed or strongly agreed with LifeWay Research / NAE's definition of evangelical (resulting in a sample size of 440).

Although we're dealing with a limited sample size, it's been incredibly profitable to fade (bet against) teams receiving a majority of the money.

Does DeMarco Murray warrant a high draft pick despite a limited sample size and a history of injuries?

While only a limited number of helmets of Newcastle football players were fitted with Shockbox sensors for the 2012 season we filmed for «The Smartest Team,» the results, admittedly from a very small sample size, were very encouraging:

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.

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 limitations of the research include the small sample size overall, and that although the design aimed to allow for likely contextual and practice differences across BC, the very small numbers of midwives within each stratum further limits the applicability of the findings.

In fact, one study that claimed to have found negative consequences of bed - sharing, such as children internalizing problems with prolonged bed - sharing, had a small sample size and limited information on why the children were sharing a bed with their mom according to Redbook.

In this study, the association of maternal alcohol drinking in the 3 months before or during pregnancy was of borderline significance on univariate analysis but was not significant when prenatal smoking and case - versus - control status were in the model.39 However, this study had limited power for multivariate analysis because of its small sample size.

«Despite their small size, these interplanetary dust particles may have provided higher quantities and a steadier supply of extraterrestrial organic material to early Earth,» said Michael Callahan of NASA's Goddard Space Flight Center in Greenbelt, Md. «Unfortunately, there have been limited studies examining their organic composition, especially with regards to biologically relevant molecules that may have been important for the origin of life, due to the miniscule size of these samples.»

The research is limited by its sample size; only 19 people could be enrolled due to the expense of such research and the restrictiveness of the carefully controlled protocol.

The study is the first national random sample of the mental health of Guatemalans in their home country (previous studies had smaller sample sizes and nonrandom sampling, limiting the conclusions they could draw).

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.

The sample size of 15 in the 10 µg dose group and 30 each in the 25 µg and 50 µg dose groups was chosen to balance the need to detect any possible untoward reactions against the need to limit the number of volunteers exposed to an experimental vaccine for evaluation of safety.

A substantial investment has been made in the generation of large public resources designed to enable the identification of tag SNP sets, but data establishing the adequacy of the sample sizes used are limited.

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.

There are reports of sexual harassment in the trainee population, but small sample sizes limit the studies» power.

This is especially important when sample sizes are limited, such as from microbiopsies of human tissue.

To date, studies of copy number variants (CNVs) have been limited and inconclusive because of small sample sizes.

A limitation of this study is the small sample size, limited to tumor samples from patients treated for thyroid cancer at Penn State Health Milton S. Hershey Medical Center.

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

Moreover, some of our analyses, particularly some of the count - based histopathological analyses in the older cohorts, are limited, as sample sizes were too low to draw definitive conclusions about possible effects of rapamycin or the absence thereof.

Lastly, while our sample sizes are large overall, we had limited power to examine the potential effect of rice consumption on certain cancer sites with relatively low incidence in the US.»

Additionally, whereas the BioCycle Study had greater racial diversity than comparable studies (3 — 6), our study was limited by different sample sizes among the racial groups, which may have limited our power to detect significant differences in some of our subgroup analyses.

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).

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.

This limited edition set includes JungSaemMool's full - size Mool Cream plus two travel size samples of the Mool Toner and Eye Cream.

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

The sample size is limited for a number of occupations, including teachers, but NCES staff are working on ways to effectively increase the sample through more complex analysis of multiple waves.

Given the small sample sizes per nation in international assessments, it's unlikely that a valid comparison could be drawn between the limited number of Grade 8 students assessed per nation in PISA and the nationally representative samples of U.S. Grade 8 students assessed in NAEP and TIMSS.

The results reveal correlations supportive of the belief that both SI and SE facilitate enduring learning, though a small sample size limited the scope of the intervention and warrants further investigation into the strategies» combination.

First, the sample size was just a third of that originally intended and, as Ofsted states, «the small sample size means there is limited external validity to these findings.

Although the small sample size increased flexibility in developing the working model, it provided limited evidence that using ITV improves the quality of teacher education field experiences.

Given the limited size of our New York City sample, we could examine differences only in outcomes in terms of gender.

In the limited sample size I have looked at (about two of each), Marvel has done a better job than DC of really using the digital storytelling toolkit.

Size Does Matter There are all kinds of reasons for small sample sizes, perhaps the most common being limited resources (e.g., time, funding, etc.).

All of Ampulum's findings should be interesting to developers, though taken with a grain of salt given the very limited sample size.

The self - ratings offer a larger sample size on this quantification question because of the limited real estate in a paper's abstract.

One of the biggest limitations with the study generally is the very small sample size of the files reviewed, which limits any statistical significance from its findings,

First, the limited sample size and duration of evaluation was not long enough to provide sufficient frequencies of occurrences for several measures such as specific categories of suspension rates such as physical fighting, weapon carrying and drug possession.

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.

This randomised trial of the MECSH programme demonstrated several beneficial outcomes for children and their mothers; however, it was limited by the size of the sample.

Second, the small sample size may have limited the conclusiveness of our results.

However, the small sample size, lack of randomization, wide variation in children served, and the lack of objectively assessed changes in child behavior limit the reported results.

A pilot study documented the feasibility, fidelity, and acute impact of DOCC for behavior problems, as well as comorbid ADHD and anxiety, relative to EUC.14 However, the study's scope, sample size, and methods (eg, PCPs were randomly assigned, not practices) were limited.

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.

The sample size also limits investigation of factors that might moderate dropout or treatment outcome, such as comorbidity, type of trauma, and relationship characteristics.