Not exact matches
Participating children had higher rates
of high - school completion, lower rates
of grade retention and special education placement, and a lower rate
of juvenile arrests.32 Another example showing more intensive programming has
larger impacts is the Healthy Steps evaluation showing significantly better child language outcomes when the program was initiated prenatally through 24 months.33 These studies suggest that a more intensive
intervention involving the child directly may be required for
larger effects to be seen.
And in fact, a
larger - scale study suggests that simply implementing a bedtime routine without any behavioural
interventions for infants can have significant positive
effects for the sleep
of the baby and the parents» well - being [8].
The Lancet reinforces other recent
large scale evidence reviews such as aspecial issue
of Acta Paediatrica, which stated that breastfeeding rates are responsive to
interventions delivered in health systems, communities and homes, with the
largest effects achieved when
interventions are delivered in combination.
A small number
of secondary prevention programs for fathers
of young children have been conducted and evaluated.18 For example, Parent — Child Interaction Therapy (PCIT), a short - term, evidence - based, training
intervention for parents dealing with preschool children who display behavioural problems was evaluated in the Netherlands using a quasi-experimental design.19 The results showed a
large effect on fathers» reports
of child behaviour problems at the completion
of the
intervention.
«Future studies are needed to determine if the
effect of this
intervention is sustainable through the first 6 to 12 months
of life, and if this
intervention can significantly reduce the incidence
of sleep - related death in
large populations over time.»
«We'd like to replicate the program on a
larger scale and are working on ways to extend the positive
effect of the
intervention.
Especially informative are the long - term studies on the
effects of early childhood
interventions, which indicate that an appropriate schooling
of children as young as 3 years old produces remarkably
large benefits for society, even in cases where the children do not perform significantly better academically.
The researchers say follow - up studies could explore questions such as what extent demographic changes — especially a
larger population
of older adults — will have on heat - related mortality, and the
effect of specific
interventions related to adaptation and greenhouse gas reductions.
The attendees developed a list
of top research priorities and a research agenda for exercise in solid organ transplant, which includes the need to conduct
large multicenter
intervention studies, standardize measures
of physical function in clinical trials, examine the benefits
of novel types
of exercise, and assess the
effects of exercise on measures such as immunity, infection, and cognition.
The researchers were surprised by the strength
of these emergent
effects, which were as
large as or even
larger than the direct
effects that triggered them: «It really makes you wonder how often we underestimate the full impact
of social
interventions,» says Powers.
The
largest intervention study on a vegan diet that I know
of showed better overall nutrient intake, but calcium was one nutrient that was very low Nutrient intake in the GEICO multicenter trial: the
effects of a multicomponent worksite
intervention.
These
interventions present an unusual opportunity to study the long - term
effects of large state investments in universal preschool education.
The gains are
large when compared to other possible policy
interventions, such as the
effects of attending a school with higher average achievement levels or enrolling in a charter school.
Providing students with feedback had the
largest effect size on learning
of any
intervention studied.
The bottom line, however, is that the ECO-C
Intervention as a whole tends to have
larger effects than any
of its parts.
In a
large randomized experiment such as this, we can estimate the
effect of receiving the
intervention by simply comparing the average outcomes
of the treatment and control groups.
The magnitude
of these benefits is
larger than typically seen (
effect sizes in the 0.3 to 0.6 range) for longitudinal outcomes
of interventions restricted to preschoolers.
Maybe your
intervention has a
large effect size d if you manage to bring the group
of learners together and lower the standard deviation.
Similarly, a
large body
of literature finds that professional development programs in general have mixed
effects, but that some
interventions have
large effects.
These are
large effect sizes, and are much bigger than most
of those found for educational
interventions.
This literature review has contributed significantly to our understanding
of the evidence base for obesity prevention, including the participant,
intervention, delivery, and design features that are associated with
larger program
effects.
In the second study, I evaluate the
effects of a social - psychological
intervention on increasing freshmen students» sense
of social belonging at two
large public universities in Indiana.
This project draws on two data sources —
large - scale administrative data from middle and high school students in five
large California school districts and a new nationally representative experimental test
of a mindset
intervention among 9th grade students — to analyze heterogeneity in the
effect of a growth mindset on academic outcomes across different structural positions.
The
larger scale
of these studies reduces error, and their frequent use
of a wider range
of outcome measures allows more understanding
of the range
of effects of particular strategies or
interventions.
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.
In
large - scale studies, these methods have proved valuable forlooking at a range
of factors affecting achievement and measuring the
effects of programs or
interventions.
Six
of them, Reading Recovery, Success for All, Sound Partners (1 - 1 tutoring by paraprofessionals), Lindamood (small group tutoring by teachers), Targeted Reading
Intervention (1 - 1 tutoring by teachers), and Empower Reading (small group tutoring by teachers) all have
large effect sizes from randomized experiments and have been proven in from two to 28 studies.
Without the real world «special
effects»
of massive global government
intervention in the securities markets, we would have found the end
of this unfolding securities horror movie would have been to find most
large boats and all small boats in Davy Jones locker at the bottom
of the economic ocean.
Geoengineering, the idea
of deliberate,
large - scale
intervention in the Earth's climate system to help counteract the
effects of global warming, has been in the news again.
Limitations include reliability on self - reported measures, statistically significant
intervention effect sizes were not
large in magnitude, and length
of follow - up.
Participants showed significant improvement as a result
of the
intervention, with
larger effects in the Hostile and Controlling subgroup.
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.
While these
effects are modest in size, they demonstrate that internet delivered cognitive behavioural therapy has the potential to be applied as a low intensity psychosocial
intervention to
large numbers
of people being treated for cardiovascular disease, at minimal cost.
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.
This study found that culturally tailored parenting support programme improved the mental health and sense
of competence in parenting in Somali - born adults, with
large effect sizes 2 months after the
intervention ended.
In Denver, low - resource families who received home visiting showed modest benefits in children's language and cognitive development.102 In Elmira, only the
intervention children whose mothers smoked cigarettes before the experiment experienced cognitive benefits.103 In Memphis, children
of mothers with low psychological resources104 in the
intervention group had higher grades and achievement test scores at age nine than their counterparts in the control group.105 Early Head Start also identified small, positive
effects on children's cognitive abilities, though the change was for the program as a whole and not specific to home - visited families.106 Similarly, IHDP identified
large cognitive
effects at twenty - four and thirty - six months, but not at twelve months, so the
effects can not be attributed solely to home - visiting services.107
This study
of intervention effects is part
of a
larger ongoing longitudinal study
of all consenting fifth - grade students in 18 public schools serving high - crime areas
of Seattle, Wash..
Participants were drawn from a
larger study examining (i) the
effects of trauma on children over time and (ii) the efficacy
of the SAFE Homes
intervention, a DCF program in which children who have been removed from their parents» care are placed temporarily in state - run facilities rather than immediate foster care to facilitate assessment and treatment planning.
With a relatively
larger (albeit still inadequate) body
of literature, UCLA / Lovaas — based
intervention and EIBI variant studies have revealed positive shifts in language, adaptive, cognitive, and educational outcomes, but our confidence (strength
of evidence) in that
effect is low because
of the need for additional, confirmatory research, a lack
of high - quality RCTs, and no studies that have directly compared
effects of promising manualized treatment approaches.
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.
In this systematic review and meta - analysis, the medium - to -
large effects of early childhood stimulation
interventions on improving parenting outcomes in LMICs are demonstrated.
The current study suggests that the early stages
of a national
large - scale area - based
intervention that has a focus on the coordination and integration
of early childhood services can have beneficial
effects for child receptive vocabulary, parenting and reducing jobless households.
The Every Family Initiative showed that a
large scale population level parenting
intervention was feasible and, moreover, Triple P can
effect change in a range
of important family risk and protective factors related to the development
of children's mental health problems including depression.
The quasi-experimental design reduces spillover
effects but does not eliminate the possibility
of selection bias.41, 42 The use
of prospectively identified control subjects was intended to minimize discrepancies in outcomes between the 2 designs.43 For some outcomes, as noted previously, the magnitude and direction
of outcomes for
intervention and control families at randomization and quasi-experimental sites were comparable, although they were statistically significant only at quasi-experimental sites and in the
larger pooled sample.
To date, the immediate and lasting positive
effects of quality care on language, cognitive development, and school achievement have been confirmed by converging findings from
large, reasonably representative longitudinal studies and smaller, randomized trials with long - term follow - ups.1, 2,9 - 13 Contributors to this knowledge base include meta - analytic reviews
of interventions and
large longitudinal studies conducted in several countries.1, 2,14,15 Comprehensive meta - analyses now establish that
effects of early care decline, but do not disappear, and when initial
effects are
large, long - term
effects remain substantial.1, 2 Null findings in cognitive and social domains in a few studies may reasonably be attributed to the limitations inherent to their designs, samples, and measures.
A small number
of secondary prevention programs for fathers
of young children have been conducted and evaluated.18 For example, Parent — Child Interaction Therapy (PCIT), a short - term, evidence - based, training
intervention for parents dealing with preschool children who display behavioural problems was evaluated in the Netherlands using a quasi-experimental design.19 The results showed a
large effect on fathers» reports
of child behaviour problems at the completion
of the
intervention.
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.
The
effects of the
intervention on parental reports
of behavioral difficulties were moderate at post-
intervention and 3 - month follow - up, and
large at 6 - month follow - up.
The
effects of the
intervention on parental reports
of behavioral difficulties were moderate at postintervention and 3 - month follow - up, and
large at 6 - month follow - up when compared to the control group.