Sentences with phrase «showed larger effect sizes»

Outcomes that were based on parent reporting showed larger effect sizes for targeted approaches (treatment studies d = 0.50) than universal approaches (indicated sample d = 0.20, selective d = 0.13).

These findings are in keeping with evidence from a meta - analysis by Durlak et al. [3], which showed larger effect sizes (0.69 versus 0.01) for school - based social - emotional interventions (N = 213 interventions involving 270 034 children aged 5 — 13 years) that followed principles including, structure, sequenced learning, active involvement and repetition.

Nonetheless, samples with higher levels of insecurity have shown the largest effect sizes.

The meta - analysis (Johnson et al, 1999) of the four most rigorous outcome studies conducted before the year 2000, showed a larger effect size (1.3) than any other couple intervention has achieved to date.

Studies with smaller sample sizes showed a larger effect size than studies with larger numbers of subjects.

This pattern of findings is in keeping with the results of a meta - analysis showing larger effect sizes for overinvolved or intrusive parenting than negative parenting.

Not exact matches

Although previous research suggested that online messages do not work, it is possible that conventional sample sizes may not be large enough to detect the modest effect sizes shown here.

«There's been quite a bit of research that shows how larger carnivores have negative effects on fishers, but this is some of first research to look at their interactions with carnivores of about their same size,» said Green, whose group also included researchers from North Carolina State University, the U.S. Forest Service, the U.S. Fish and Wildlife Service and the California Department of Fish and Wildlife.

Overall, results showed a slight advantage of grouping as compared to non-grouping in promoting student learning, with large variability in the effect sizes.

In this research assessment, Achieve3000 was shown to have the largest effect size at the middle and high school levels.

Results showed a medium to large effect on students» reading over the course of the four years (effect size = +0.37) compared to the control group.

Black and William report that studies of formative assessment show an effect size on standardized tests of between 0.4 and 0.7, larger than most known educational interventions.

25 years of neuter / return has effect comparable to reducing average litter size from four kittens to one MOUNT RANIER, Maryland ---- The largest return of data yet from a national survey of cat rescue and sterilization programs shows a cumulative reduction of 72 % in kitten births at monitored colonies since the introduction of neuter / return feral cat -LSB-...]

For example, our results corroborate with others by showing that high impact journals typically report large effects based on small sample sizes (Fraley and Vazire 2014), and high impact journals have shown publication bias in climate change research (Michaels 2008, and further discussed in Radetzki 2010).

Use a large enough sample size and a truly miniscule effect can be shown to be present (in all likelihood).

[Response: The effect diminishes with the size of town, it is actually larger than corrections based on population rises, and it gives results that are regionally coherent and you have yet to show that any objective subsampling of the rural stations makes any difference.

Nevertheless, the MECSH trial showed some significant results and some trends that require replication in larger samples of mothers drawn from a similarly widely defined at - risk group, including older, multiparous mothers, and mothers with higher levels of education than have been reported in other trials.1 14 Mothers of infants and toddlers in the intervention group provided a home environment that was statistically significantly more supportive of their child's development through more verbal and emotional responsivity; however, the effect size was small.

Our sample can be characterized as high risk (baseline ECBI T score > 55) 42 or at the borderline of clinical (T score > 60), 34 which is typical of previous randomized clinical trials of parent training for young children.41 The results across methods in this study are impressive given that effect sizes have been shown to be associated with the magnitude of symptom severity at baseline, 43 and thus it is typically more difficult to find large effects in prevention than in intervention trials.

Existing SNHV trials show relatively modest effects (effect sizes of 0.2 — 0.4 SDs) for outcomes such as child mental health and behaviour, and cognitive and language development, from infancy to mid - childhood.19 While effect sizes of 0.25 — 0.3 SDs can be meaningful and impactful at the whole of population level, 59 targeted public health interventions such as SNHV include a cost and intensity such that larger effects in the short - to - medium term might be necessary to justify implementation at a population level.

CONCLUSIONS: The large effect sizes in this study show that this 12 - week culturally tailored parenting support program was associated with short - term improvements in children's behavior.

The meta - analyses showed the most pronounced effect sizes for parent — child interaction and maternal sensitivity, whereas the effects on child behaviour and cognitive development were either small or not significant; however, small effect sizes can have meaningful impact on population - level outcomes.60 The non-significant outcomes for internalising and externalising behaviours were also small, but may be clinically relevant for large, at - risk populations.

The JFS evaluation, conducted by consultant Susan Hedges, shows uniformly large effect sizes for children in the clinical range of social, emotional and behavioural problems with the majority of these children moving into the normal range after their parents participated in Group Triple P.

Many trials used volunteers or people selected by referrers as willing to take part in parenting projects, thus excluding many disorganised, unmotivated, or disadvantaged families, who have the most antisocial children.2 A review of meta - analyses of published trials of psychological treatments for childhood disorders found that in university settings the effect size was large, from 0.71 to 0.84 SD.12 In contrast, a review of six studies of outcome in regular service clinics since 1950 showed no significant effects, 12 and a large trial offering unrestricted access to outpatient services found no improvement.13 Reasons suggested for the poor outcome in clinic cases include that they have more severe problems, come from more distressed families, and receive less empirically supported interventions from staff with heavier caseloads.

Studies demonstrating the efficacy of PMT interventions show improvements in parental perceptions and parenting skills, improvements in children's social skills and school adjustment, and reductions in behaviour and attention problems.66, 67 PMT interventions are associated with large effect sizes, 68 the effects often generalize to a variety of home and community settings, 69,70 they are maintained over time, 71 and are associated with high levels of consumer satisfaction.72 PMT has been successfully used with two - biological - parent families, step - parents and single parents.

As previously reported, the pretreatment to post-treatment effect size on the primary outcome of health anxiety HAI was d = 1.8 in the ICBT group and d = 1.2 in the IBSM group, indicating that both treatments yielded large improvements in health anxiety.12 Mixed - effects models analysis showed that ICBT led to significantly larger reductions of health anxiety compared with IBSM (F = 3.9; df = 2, 121; p = 0.022; between - group d at post-treatment = 0.3).

Again, inattention and hyperactivity / impulsivity of both parent (ES =.34 /.50 respectively) and child (ES =.80 /.59 respectively) showed significant reductions, with small to large effect sizes.

The SDQ is one of the most widely used validated measure of mental health in children and is sensitive to change; in intervention studies, effect sizes have been shown to be moderate to large.27 — 29

The distribution of effect sizes should be shaped as a funnel if no publication bias is present, since the more numerous studies with small sample sizes are expected to show a larger variation in the magnitude of effect sizes than the less numerous studies with large effect sizes.

For example, the results of a meta - analysis by Asscher et al. [4] showed that the effect size of psychopathy on delinquent behavior was larger in adolescent female samples than in adolescent male samples.