Sentences with phrase «limited sample size for»

Limitations include sparseness of the data and limited sample size for a study of mortality.
Social networks are increasingly getting their hooks in the live sports streaming game, but we've seen a limited sample size for what baseball can do on a social platform.

Not exact matches

Some inconsistencies can be pointed out from the data, including the fact that not all accidents would involve airbag deployment, and that the sample size for Tesla in testing its Autopilot system could be limited.
You over value a very limited sample size from two QBs who entered the NFL for vastly better then typical NFL teams selecting a first round QB.
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:
Finally, despite combining survey years, in 17 states, the sample size for black infants was less than 50, limiting the ability to assess racial differences in all states.
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 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
Yet for any one laboratory, sample sizes might be restricted, and researchers might have only limited bioinformatics capacity.
ASTM E2834 discusses the scientific basis for nanoparticle tracking analysis, as well as size limits, concentration ranges, sampling and sample preparation considerations, condition and analysis selection, data interpretation and comparison to other techniques.
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 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.
The Center for Science in Public Interest (CSPI) has evaluated such claims on yogurt and found the evidence to be inconclusive at best, primarily owing to the limited research and small sample sizes.
Some have free samples, some have full sized products, some have unbelievable coupons, some let you try the software for a limited time, and some let you try an online service for a limited time.
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.
This study is based on a limited sample size, with information reported for 55 males in the preschool group and 35 males in the control group, and for 70 females in the treatment group and 36 females in the control group.
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.).
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.
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.
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.
Limitations include that the generalizability of the findings are limited to mothers who are concerned enough about their child's behavior to register for a parenting course, small sample size, and limited follow - up.
Limitations include small sample size, lack of comparison group for follow - up, reliance on self - reported measures, and limited generalizability due to ethnicity of participants.
Participant contact will be limited and many processes will be automated, meaning that significant attrition is expected and has been accounted for in sample size calculations.
Power analyses (Cohen, 1988) showed good power (1 - β = 0.87) for within couples and interactions effects but limited power (1 - β = 0.5) for between group effects to detect medium effect sizes with a sample of 62 couples.
Waylen et al. (2009) chose to compare children who met clinical diagnosis for ODD / CD at 8 years to those who did not, which resulted in a smaller sample size (n = 189), and limiting analyses to children who might not be part of the EOP conduct problem trajectory, as an ODD / CD diagnosis at 8 years might not persist through early adolescence.
a b c d e f g h i j k l m n o p q r s t u v w x y z