Sentences with phrase «using experimental designs»

Quantitative hypotheses, for instance, had to be «evaluated using experimental designs in which individuals, entities, programs, or activities are assigned to different conditions with appropriate controls to evaluate the effects of the condition of interest through random assignment experiments, or other designs to the extent such designs contain within - condition or across - condition controls.»

Through using an experimental design, Mehta explored the neurocognitive benefits using four computerized tests to assess executive functions.

Using an experimental design, the study found no clear effects of using a voucher to enroll in a private school on students» test scores four years later.

In particular, few have used experimental designs, most are analyzed with simple descriptive statistics, and important topics are understudied.

This report describes the outcomes of a behaviorally based parenting intervention for parents with infants and toddlers, using an experimental design with random allocation of participants to either intervention or enhanced waitlist — control conditions.

Not exact matches

A handful of schools in the New York area is rolling out an experimental new curriculum designed to educate students on how to use cellphones safely, CBS News reports.

Since the focus here was on individual rather than group behaviour, we used a trading simulator that borrowed features of earlier experimental designs to allow for greater experimenter control51, 52.

The evidence is simply overwhelming and of various different types: the fossil record, the genetic code, experimental confirmations, structures in living organisms which are of no current use but once were, faulty «designs» that are explained by «blind evolution» but that no sentient being would create, predictions that are tested based one the hypothesis it has occurred etc..

Some images also show a white away shirt, and it may be that this more experimental black design will only be used as a third kit, with white often United's first choice away colour, as it has been this season.

There are a couple of experimental classroom interventions that I think seem particularly promising, including Tools of the Mind, which uses extended make - believe play and other teaching strategies to develop self - regulation in 4 - and 5 - year - olds, and OneGoal, the Chicago - based high school program that teaches juniors and seniors a particular set of non-cognitive skills designed to help them persist in college.

The experimental design was a opulation - based study using South Australian perinatal data on all births and perinatal deaths during the period 1991 to 2006.

They then compared the effect of two experimental designs on plant root growth, and used mini-Horhizotrons to compare root growth of plants in different container substrates.

I am excited about what materials science can do for the development of future technologies, and as new experimental and theoretical methods are designed, we will have better tools to describe, predict, and eventually use the properties of materials.

As for theory of mind, Povinelli argues that Clayton's experimental design was inadequate to show it because the birds could have responded to their competitors not by imagining the content of their thinking but just by using rules.

«Now the challenge is to design experimental studies using biomarkers in cognitively normal people to determine who can really benefit from the drugs.»

Scientists are aware of their biases, and use techniques such as blind trials to minimise them, but the pressure to get things done faster leads to some people skimping on experimental design, said Dr Head.

Investigators at The Feinstein Institute for Medical Research have made a medical breakthrough using 3D printing on a MakerBot ® Replicator ® 2X Experimental 3D Printer to create cartilage designed for tracheal repair or replacement.

Among these methodological problems are biases that lead to the overestimation of the effect under study and underestimation of experimental noise, poor research protocols and study design, and inappropriate use and interpretation of statistics.

«We used a highly controlled experimental design, to ensure that any benefits of mindfulness training were not likely explained by people believing it was a better treatment,» said co-author Dr Tom Freeman (Senior fellow of the Society for the Study of Addiction), who was part of the research team while based at UCL.

This article reviews the history and use of field experiments, particularly those used in four kinds of experimental and quasi-experimental design: randomized experiments, regression discontinuity designs, short interrupted time series, and nonrandomized experiments.

However, experimental measurements have, to date, not been able to provide data with enough depth to identify all the fundamental mechanisms and to explain weaknesses of currently used design tools, due to the difficulties of performing engine - scale experiments and acquiring spatially and temporally resolved data.

Update: Six French scientific academies issued a statement on 19 October, saying the Séralini study could not reverse previous conclusions that this and other GM crops are safe, because of problems with the experimental design, statistical analysis and animals used, and inadequate data.

As described in the Methods, a reference experimental design was used.

Throughout the course of this study, the teams compiled an extensive library of experimental and theoretical data including electronic, magnetic, optical, photoelectrochemical, and structural properties, which are now used as feedstock in material genome work and near - term development of superior PEC materials through materials - by - design techniques.

The Science Division is designed to be a theoretical and experimental laboratory to challenge conventional thinking with the discovery of a new world of physics and consciousness - related possibilities and exploring how to use them to affect the world positively.

In addition, the presenter will provide guidance on experimental design for multiplexed antibody panels combining phenotypic markers with phospho - specific intracellular targets, and discuss the use of fix and perm kits.

The MMRRC is committed to upholding the highest standards of experimental design and quality control to optimize the reproducibility of research studies using mutant mice.

It provides users with the techniques and scientific support used to design experimental protocols as well as for the development of new techniques to investigate metabolism.

The school will provide a wealth of information on good practices in the use of mouse model (experimental design, ethics, regulations, analysis, data and resources...) to support attendees in their research.

Research using the heart chip could provide experimental information about how the drugs work so that new compounds can be designed to avoid these pitfalls.

Although we addressed this issue in several ways, including the use of a natural experimental design exploiting the quasi-randomized assignment of patients to hospitalists, it is still possible that unmeasured confounding (eg, residual differences in socioeconomic status of patients that are not explained by patient race / ethnicity, Medicaid eligibility, and household income level) could explain the observed differences in patient outcomes.

The Bioinformatics Core collaborates with scientists to provide essential data management and analysis tools along with experimental design consulting using continually updated workflows.

The partnership is designed to use Organ - Chips that reflect the complex biology required to model the effects of therapeutic antibodies in humans, overcoming the limitations of current preclinical experimental methods.

Furthermore, we discuss key experimental design considerations, including the choice of the method used to determine metastatic burden and statistical analysis of the results, as well as provide troubleshooting tips and identification of factors that contribute to experimental variability.

Aside from yielding a non-result, the experimental design was flawed, as the Mate liquer produced was 4 - 8 times the strength of Mate produced in a normal kitchen (1 - 2 Tbsp per 8 oz cup yields 25.4 - 50.8 g per Liter; compared to the 200g per Liter used in the experiment.).

Based on Daniel Schaffer's graphic novel, The Scribbler follows «Suki (Cassidy), a young woman confronting her destructive mental illness using «The Siamese Burn», an experimental machine designed to eliminate multiple personalities.

She is brought back to life by Prof. Jack Crowley (Bruce Abbott) through the use of an experimental drug, as part of a program designed to turn her into an unstoppable warrior.

One taught social studies using the project - based units we designed (the experimental or PBL group), and the other taught social studies as they normally did (the control group).

The study used a school - level, randomized, experimental design involving 113 teachers and 1,371 ninth - and 10th - grade students in 60 high schools from eight metropolitan regions in the United States.

Voucher Effects Researchers over the past decade have focused on evaluating voucher programs using experimental research designs called randomized control trials (RCTs).

Such experimental designs are widely used to evaluate the efficacy of medical drugs prior to making such treatments available to the public.

[12 marks] Section C Research methods Identify the experimental design used in this study and outline one advantage of this experimental design.

Like an experimental evaluation, quasi-experimental designs often, though not always, use probabilistic sampling.

Experimental designs often, though not always, use random or probabilistic sampling.

[3 marks] 0 2 Describe one other experimental design that researchers use in psychology.

(*) Programs and practices listed here received support from at least three studies by independent evaluators and / or peer - reviewed publications, using controlled experimental designs and independent outcome measures.

Sixteen evaluations of eight programs in Charlotte, North Carolina; Dayton and Toledo, Ohio; D.C.; Louisiana; Milwaukee, Wisconsin; and New York City used «gold standard» experimental designs.

However, these results must be confirmed using more - rigorous experimental study designs.

The quantitative portion of this mixed methods study used a true experimental design.

Future research should seek additional control variables as well as use experimental and quasi-experimental designs to establish a causal relationship between dual enrollment participation and educational outcomes.