Sentences with phrase «single statistical study»

Not exact matches

Done well, these methods of blending data can provide a result with strong statistical power, finding an effect that might be missed in a single study.

«This study of a single mass shooting and a single type of gun violence amounts to little more than a statistical anecdote,» wrote Gary Kleck, a criminologist at Florida State University in Tallahassee, to Science.

Plotkin hopes that linguists will find the notion of drift and his statistical tests to be useful, because they allow researchers to study the patterns and timing of change in a single language rather than having to compare languages.

The study, released yesterday by Lawrence Berkeley National Laboratory, assessed nearly 7,500 single - family houses and applied statistical methods and 10 different pricing models to draw its conclusions.

Further research topics are statistical / computational methods to study complex experimental data (e.g. cellular genealogies) and image analysis procedures (e.g. model - based segmentation algorithms in the context of automatic single cell tracking).

In addition to the statistical analysis of the data, the detailed study of single objects through spatially resolving the disk and detailed modeling of the data is a main goal of the project.

Cox et al. provide a statistical uncertainty range for a single study, ignoring structural uncertainty and systematic biases resulting from their choice of model and method.

The IPCC range, on the other hand, encompasses the overall uncertainty across a very large number of studies, using different methods all with their own potential biases and problems (e.g., resulting from biases in proxy data used as constraints on past temperature changes, etc.) There is a number of single studies on climate sensitivity that have statistical uncertainties as small as Cox et al., yet different best estimates — some higher than the classic 3 °C, some lower.

If, in the empirical phase of the associated study, the study's statistical population is sampled with single replacement, this hypothesis can not be determined to be true with a sample of finite size; as every realizable sample is of finite size, this hypothesis can not be determined to be true.

This so - called «meta - analysis» allows scientists to draw statistical significance from the combined studies even when a single study might not be considered conclusive — in much the same sense that no single weather event can be said to result from climate change but the statistical trend indicates that more extreme weather events will become more frequent in a warming world.

These figures were not derived from a single study, but year after year of statistical analysis.

For example, some have found significant differences between children with divorced and continuously married parents even after controlling for personality traits such as depression and antisocial behavior in parents.59 Others have found higher rates of problems among children with single parents, using statistical methods that adjust for unmeasured variables that, in principle, should include parents» personality traits as well as many genetic influences.60 And a few studies have found that the link between parental divorce and children's problems is similar for adopted and biological children — a finding that can not be explained by genetic transmission.61 Another study, based on a large sample of twins, found that growing up in a single - parent family predicted depression in adulthood even with genetic resemblance controlled statistically.62 Although some degree of selection still may be operating, the weight of the evidence strongly suggests that growing up without two biological parents in the home increases children's risk of a variety of cognitive, emotional, and social problems.

He received his Ph.D. in Special Education from the University of Missouri where he studied special education policy, statistical analysis, single - subject research, Positive Behavior Support (PBS), and Applied Behavior Analysis (ABA).

The chapter includes the description of a framework for categorizing four types of studies (group design, single subject design, correlational, case studies) and four types of literature reviews (narrative, summative, systematic, meta - analysis) for conducting research syntheses which focus on the identification of the key characteristics of early childhood intervention practices and their functional or statistical relationship to the behavior the practices are intended to change or improve.

NAR's study reviewed new home construction relative to job gains over a three - year period (2013 - 2015) in 171 metropolitan statistical areas1 (MSAs) throughout the U.S. to determine the markets with the greatest shortage of single - family housing starts.