Sentences with phrase «only experimental studies»

It is fine to want only experimental studies to be cited and evidence from decades of proper study.

I never said that only experimental studies should be cited.

Not exact matches

«A 1999 follow - up by William S Harris et al. attempted to replicate Byrd's findings under stricter experimental conditions, noting that the original research was not completely blinded and was limited to only «prayer - receptive» individuals (57 of the 450 patients invited to participate in the study refused to give consent «for personal reasons or religious convictions»).

The results of a recent experimental study published in the March 2016 issue of Developmental Psychology found that not only what we say but how we say it may affect the development of emotional traits of a child starting at a very young age.

We considered that only four of the studies used methods that were at low risk of bias to generate the random sequence and conceal allocation to the experimental groups (Collins 2004; Graffy 2004; Hoddinott 2012; Reeder 2014).

In a four - year study conducted on the mouse model in advanced breast cancer metastasis in the eye's anterior chamber, Petty and colleagues found that the new nanoparticle not only killed tumor cells in the eye, but also extended the survival of experimental mice bearing 4T1 tumors, a cell line that is extremely difficult to kill.

Another research project fueled an ongoing debate about which statistical method is better for examining experimental data: Bayesian statistics, which incorporates early intuition, or the classical approach, which only takes a study's collected data into account.

It was the melding of experimental biochemistry and computational science that brought this study to Nature Communications and that result was only possible with sustained funding from the Bioenergy Technologies Office.»

«Ice cores contain little air bubbles and, thus, represent the only direct archive of the composition of the past atmosphere,» says Hubertus Fischer, an experimental climate physics professor at the University of Bern in Switzerland and lead author of the study.

For the first time, physicists have built a two - dimensional experimental system that allows them to study the physical properties of materials that were theorized to exist only in four - dimensional space.

«Our study is only a first step to investigate a cognitive mechanism that might be crucial for impulsive behavior,» says lead study author Marcel Brass, an experimental psychologist at the Ghent University in Belgium.

Of the five studies the project has tackled so far, some involving experimental treatments already in clinical trials, only two could be repeated; one could not, and technical problems stymied the remaining two replication efforts.

Overall, the study utilised rats at 7.5 — 8.5 weeks of age assigned to 5 different groups; sham control (PBS only), 3 - NP control (3 - NP) and 3 experimental cohorts — rats treated with 3 - NP and injected with iPSCs into the striatum after 7 days (3 - NP - iPSC - 7), 21 days (3 - NP - iPSC - 21) and 42 days (3 - NP - iPSC - 42).

Studies in experimental animal models have now not only stressed the importance of OX40 and OX40L for autoimmune and inflammatory disease manifestations, but shown that inhibiting this interaction can be useful therapeutically.

The amygdala is composed of distinct subregions that interact with dissociable brain networks, which have been studied only in experimental animals.

Experimental studies and a growing body of evidence has emerged demonstrating that synthetic α synuclein fibrils (both human and murine) are capable of «seeding» and propagating α synuclein pathology not only in α synuclein transgenic mouse models but importantly in non-transgenic (WT) neuronal cultures and mice (Luk, K.C. et al., 2012a; Luk, K.C. et al., 2012b; Volpicelli - Daley, L.A. et al., 2014).

To - date, only two experimental studies have used trained, athletic subjects.

Recent studies of whole - school - reform programs and school management have included only two randomized experiments, both on James Comer's School Development Program, which means that the effects of Catholic schools, Henry Levin's Accelerated Schools program, or Total Quality Management have never been investigated using experimental techniques.

Two recent experimental evaluations of the Louisiana Scholarship Program found negative effects of the program on student test scores but one study was limited to just a single year of outcome data and the second one (which I am leading) has only analyzed two years of outcome data so far.

However, the results of such experimental studies apply only to the programs offered by and the type of students who apply to the specific oversubscribed charter schools evaluated.

According to the 2005 NCREL report draft, «Only a small percent [of the hundreds of studies addressing distance education] meet established standards as experimental or quasi-experimental research.»

In an experimental study, designed to deliver extensive independent reading intervention, researchers analyzed the effects a reading only intervention program had on student achievement.

The panel reviewed only studies that appeared in English in a refereed journal, that focused on children's reading development from preschool through grade 12, and that were experimental or quasi-experimental in design.

Experimental studies have tracked only the short - term impact of merit pay, however, and so have not identified any long - term effects that might come from changes in the kinds of people who choose to go into this line of work.

Yoon and associates (2007), in reviewing experimental professional development studies in which teachers were randomly assigned to various professional development programs, uncovered only nine studies that met this rigorous research strategy.

The first was a 2002 study in the Journal of Experimental Child Psychology, which found Waterford to be helpful in only one of nine areas the researchers tested.

The first of its kind, this teacher evaluation model is not only based on studies that correlate instructional strategies to student achievement, but is also grounded on experimental / control studies that establish a direct causal link between elements of the model and student results.

The most recent report is a meta - analysis of over 200 experimental studies of social and emotional learning which have demonstrated that SEL programs not only impact social cognitions and behavioral adaptation, but in addition such programs have a substantial effect size on academic achievement.

«This time we not only tested a different experimental set - up but also the level of difficulty,» lead study author Rachel Dale says in a statement.

These climate - related land storage effects could be significant for global sea - levels, though unfortunately there seem to be very few direct experimental measurements of the factors involved, and so the only studies of these effects seem to have been from computer modelling of data from weather data «reanalysis» models (e.g., ERA - 40).

Still, we are aware of only a handful of published studies that report both diffusive and ebullitive emissions from boreal systems, and the fraction of bubbling in these systems covers a broad range (0 % — 20 % in Eastmain reservoir, 18 % in Porttipahta reservoir, 61 % to 75 % in Canadian experimental reservoirs, and 87 % in Lokka reservoir [Huttunen et al. 2002, Matthews et al. 2005, Teodoru et al. 2012]-RRB-.

«However, only one experimental study — a large liana removal experiment in Panama, has proven lower carbon uptake in forest with lianas versus forests where lianas have been removed.»

Behavior therapy is considered probably efficacious for childhood depression, and a number of other experimental interventions show promise but require further evaluation.12 Currently, only 2 research groups have focused on psychosocial interventions for childhood bipolar disorder.13 - 15 Hence, increased attention to creation and testing of treatments specifically targeting depression and bipolar disorder in children is needed.16 In particular, studies should focus on children's developmental needs, address comorbidity, involve family members in treatment, demonstrate treatment gains as rated by parents and clinicians rather than children themselves, and compare experimental interventions with standard care or treatment as usual (TAU) rather than no - treatment or attention control groups.12, 17,18 In addition, parental psychopathology may affect treatment adherence and response.

Of the nine intervention studies in 1987 — 1988, five were controlled experimental designs (two randomised controlled trials, three non-randomised controlled trials) and four were non-experimental designs (two single - group designs; two described only process variables or components of the intervention delivered rather than outcomes).

4 The study also contained a second experimental condition, with a sample of 473 patients, that received a minimal intervention (in - hospital nurse counseling plus only one follow - up phone session).

Because the focus of this study is to understand the factors that influence engagement and retention in an ecodevelopmental, parent - centered preventive intervention, only those participants randomized to the experimental condition were included in these analyses.

Results indicate that the often presumed causality is only partially supported, notably in experimental studies.