Sentences with phrase «replication study of»

In a larger replication study of the six - session treatment protocol with 21 couples, significant positive changes were found on the Marital Satisfaction Inventory (Hannah, Luquet, et al 1997).

FIREPAW researchers assisted colleagues in the Bahamas in providing supporting statistics for their replication study of the FIREPAW research study on Companion Animals Guardians vs. Owners.

Not exact matches

At the Salk Inst.itute for Biological Studies, in 1994, Leslie Orgel observes, «Because synthesizing nucleotides and achieving replication of RNA under plausible prebiotic conditions have proved so challenging, chemists are increasingly considering the possibility that RNA was not the first self replicating molecule...» (9).

«The philosophical question that has not been answered in origin - of - life studies is this: How can a universe of mindless matter produce beings with intrinsic ends, self - replication capabilities, and «coded chemistry»?

Comparison of two strategies to improve infant sleep problems, and associated impacts on maternal experience, mood and infant emotional health: a single case replication design study.

Finally, a Finnish trial of universal home visiting by nurses35 and two U.S. programs implemented by master's degree - level mental health or developmental clinicians have found significant effects on a number of important child behavioural problems.36, 37 Additionally, a paraprofessional home visitation program found effects on externalizing and internalizing behaviours at child age 2; however due to the large number of effects measured in this study, replication of the findings is warranted.38

Although most studies of parental depression have focused on mothers, the impact of depression in fathers has received increasing attention.2, 3 Using data from the 2002 National Comorbidity Replication Survey, the Institute of Medicine report also estimated that 4.3 % of men with a child under 18 years old had a major depressive disorder within the previous 12 months.1 In addition, a recent meta - analysis4 suggested that the prevalence of paternal depression within the first year of a child's life was 10.4 %.

In the biggest replication effort so far, «[i] n a report published in Science in August, 270 psychologists orchestrated a repeat of 100 studies published in three top journals.»

By the time he graduated from University College London in 1999, Godinho Ferreira had grown tired of studying replication because the field had reached the point where «people would just repeat each others» experiments,» he says.

Molecular biology is the study of molecular underpinnings of the process of replication, transcription and translation of the genetic material.

«Is it because the original study was wrong, because the replication was screwed up or because of an important difference between the original and the replication?»

«They drew an unrepresentative sample of studies, failed to ensure that replications were faithful and then misanalyzed their own data.»

The MIME method is groundbreaking in the study of viral replication.

Eventually, with all the replications [of the study], people now recognize that one of the main pathologies in addiction is in the prefrontal cortex.

A new study by Robert Stahelin, an adjunct associate professor of chemistry and biochemistry at the University of Notre Dame and an associate professor at the Indiana University School of Medicine - South Bend, as well as a member of Notre Dame's Eck Institute for Global Health, investigates how the most abundant protein that composes the Ebola virus, VP 40, mediates replication of a new viral particle.

The tools were studied by Dr. Harmand and her colleague Hélène Roche — world experts in lithic analysis, the study of stone artifacts from the various Stone Age periods in which they were made — to interpret physical features and reconstruct the manufacturing techniques used at the prehistoric site, including experimental replication of the tools.

On 20 December, the United States government — acting on advice from the US National Science Advisory Board for Biosecurity (NSABB)-- asked both journals to publish only the main conclusions of two flu studies, but not to reveal details «that could enable replication of the experiments by those who would seek to do harm» (see «Call to censor flu studies draws fire»).

Despite this thoroughness, while 97 of the original studies reported significant results, only 35 of the replications reported the same.

The new study revealed the Ebola VP40 protein assumes different structures to perform multiple roles in the virus's life cycle — membrane trafficking, virus assembly and control of replication.

Replication The Science Journals encourage the submission of replication studies that provide new insights into previously publishReplication The Science Journals encourage the submission of replication studies that provide new insights into previously publishreplication studies that provide new insights into previously published results.

Second, they considered the remaining SAGES study sample to identify 36 matched pairs of cases and controls, called the replication cohort.

«Whenever anybody stops HAART, the virus comes back,» says Robert Siliciano, who studies the dynamics of HIV replication at the Howard Hughes Medical Institute and Johns Hopkins University School of Medicine.

University of Virginia psychology professor Brian Nosek and his colleagues at the nonprofit Center for Open Science got help from over 350 scientists to repeat 100 high - profile psychology experiments published in 2008 — the largest replication study to date.

Our independent scientific advisory board — all members of which are leaders in their fields as well as advocates on the reproducibility problem — selects studies for replication.

Analytic methods (code) transparency The Science Journals require the Materials and Methods section to provide sufficient detail to allow replication of the study.

«Isn't it plausible that many or most of the cancers attributed to replication errors in this study involve genetic or environmental factors that are too ubiquitous to be identified as such?»

The authors caution that further study and replication of their results in different populations is needed to verify their model before it will be useful for individual genetic tests — or before longevity «cocktails» are created.

«Oprl1 may be one of the many genes that contribute risk, though larger samples and replication studies are required to be certain of this.»

In studies with human fibroblasts that make up connective tissue, Boger's team tested whether NOD1 activity could affect CMV replication in cultures of cells grown in the lab.

These included tests for how much variance surrounded the main statistics of the studies, the sample size, the likelihood of replication, and the estimated power of the tests before and after the data was collected.

Fishel and Kolodner had been studying the bacteria and yeast genes involved in the repair process that operates when base pairs slip out of alignment during replication, producing mismatches of bases.

Despite decades of study, until these experiments scientists did not fully understand the molecular mechanisms that cells use to transduce information about environmental conditions to their replication machinery.

The oldest study up for replication is one published in Science in 1960 by Eckhard Hess and James Polt of the University of Chicago in Illinois.

So the team made their intentions public by preregistering their study and submitting the idea to a special issue of Social Psychology focused on experimental replication slated to come out in spring 2014.

Over the years, he's seen a number of ways in which replication studies can go wrong in career terms.

But doing a replication study just for the sake of checking whether the original author made a mistake isn't smart, he says.

The trick, he says, is in seeing replication not as an end in itself but as a means for acquainting yourself with the methods used in a study, the original author's line of thinking, the complications he or she must have faced, and the solutions they devised to those problems.

The results highlight the importance of careful observation and controls, as well as the potential benefits of replication studies.

The standards include citation standards for journals, data transparency, analytic methods (code) transparency, research materials transparency, design and analysis transparency, preregistration of studies, preregistration of analysis plans and replication.

The authors of the study stress the importance of replication using other datasets.

Dr. Jones obtained his Ph.D. in 2003 from the University of Birmingham Institute of Cancer and Genomic Sciences (United Kingdom) under Professor Lawrence Young, studying the use of gene therapy for targeting Epstein - Barr Virus (EBV) proteins with replication - competent adenoviruses to treat EBV - driven malignancies.

and the answer, according to the results of this replication study, is yes.

It also undergoes cell division by first creating copies of chromosomes like most human cells and has a very fast replication cycle, all of which facilitated the study.

Less replication of the virus means the infected person may experience less disease or is less likely to spread the disease to someone else, says Sabra Klein, PhD, of Johns Hopkins University and lead investigator of the study.

«It's an almost exact replication of the study we did, and the apes appear to pass.

From such studies came the current canonical model of how venom genes evolve through the chance replication and mutation of genes for enzymes, peptides and other proteins.

However, the new, larger study found that the effect of viral replication capacity was very early after infection, and was independent of both initial viral load and whether individuals carried certain protective variants of immune genes called HLA that positively influence immune responses to HIV.

Previous studies in the lab showed that once HCMV is inside the cell, it quickly becomes latent by entering the cell's nucleus and co-opting a cellular protein called Daxx — part of the intrinsic immune system — to shut down its own replication, the process of reproducing its genetic material to make more copies of itself.

«We now have clues to how that double - ring structure stably lingers until the cell enters the DNA - synthesis phase much later on in replication,» said study coauthor Christian Speck of Imperial College, London.

The findings reinforce the importance of priming effects in gaming and virtual contexts, and the importance of study replication.