The review included 2 types of designs: (1) randomized controlled trials and (2) quasi-experimental designs (including
matched comparison studies, single case designs, and regression discontinuity designs).
In fact, no tool in the SIM «toolkit» is released for use unless it is proven in
matched comparison studies to benefit Learning Disabled, Low Achieving, Average, and High Achieving students.
Not exact matches
The method identifies gene sets that show evidence for positive selection in
comparison with
matched controls, and thus highlights genes for further functional
studies.
This
study (in below graph) illustrating a side - by - side
comparison of carmine and a Colouring Foods solution in dairy shows a colour
match where the colour difference in
comparison to carmine is extremely small and imperceptible to the eye.
A 2013
study by Mathematica Policy Research revealed that students at five urban EL middle schools advanced ahead of
matched peers at
comparison schools by an average of ten months in math and seven months in reading over the course of three years.
For each
study (home birth) subject, a
comparison subject was chosen on the basis of
matching according to the following criteria:
So, despite the fact that we have this first descriptive approach, more research needs to be done by incorporating new variables, by expanding the sample and by adapting the ranges of intensity of the population
studied; while guaranteeing equality, that would enable us to complement the
comparison with respect to the demands made on both genders when playing a football
match.
The prospective
study included 207 white men diagnosed with ADHD at an average age of 8 and a
comparison group of 178 men not diagnosed with childhood ADHD, who were
matched for race, age, residence and social class.
In the present
study, we characterized the GAS strains isolated from pediatric OSAS patients in
comparison with a panel of age and sex
matched GAS strains unrelated to OSAS, but isolated in the same area and during the same period ranging from 2009 to 2013.
Yet the Education Department's own three - year
study comparing Core Knowledge with balanced literacy in demographically
matched New York City schools showed the former «had significantly stronger gains than
comparison school students on nearly all measures.»
In contrast, ESSA defines four levels of «evidence - based» practices: «strong,» with at least one well - designed and well - implemented experimental
study with a statistically significant, positive effect; «moderate,» with at least one well - designed and well - implemented quasi-experimental
study such as a
matched -
comparison group; «promising,» with at least one well - designed and well - implemented correlational
study with statistical controls for selection bias.
Also part of the longitudinal
study, a
matched sample of voucher and Milwaukee Public Schools students are taking the same tests to produce a sound
comparison.
Funded by the William and Flora Hewlett Foundation, the
study includes 20 high schools that focus on deeper learning skills («network schools») as well as a
matched sample of
comparison («non-network») schools.
The Witte / Wolf
study used a
matched comparison design, following a cohort of students that participated in the program and comparing them to a similar set of students in the Milwaukee Public Schools.
The results in reading outcomes were somewhat better for the voucher students under
study, where they recovered by year three and outperformed the
matched comparison group in year four (the year four estimate of 0.13 standard deviations was marginally statistically significant).
The three - year evaluation includes both a quasi-experimental impact
study with
matched comparison schools, and an implementation
study in six California elementary schools in two districts.
Micro-match Having listened to the disputed expert evidence — and
studied pictorial depictions of the ear in question — the court's judgment was that ear print
comparison was capable of providing information which could identify the person who had left such a print on a surface where minutiae concerning the ear could be identified and
matched.
The practice must have at least one
study utilizing some form of control (e.g., untreated group, placebo group,
matched wait list
study) establishing the practice's benefit over the placebo, or found it to be comparable to or better than an appropriate
comparison practice.
A well designed evaluation
study (e.g., using a strong experimental design with a well
matched comparison group and adequate sample size) with more extensive measurement would be needed to provide stronger evidence of curriculum impact.
Studies were selected if the intervention targeted children with a chronic health condition or their family members; a planned psychosocial intervention was evaluated (naturally occurring family resources, medical interventions and medical or physical treatment, medications, or treatment regimens were excluded); psychological or social outcomes were examined; and ≥ 15 participants were included in the
study which had random assignment to treatment groups, a
matched comparison group, or a convenience
comparison group.
Permanency Outcomes of Children in Kinship and NonKinship Foster Care: Minimizing the Effects of Selection Bias with Propensity Score
Matching (PDF - 328 KB) Koh (2008) Discusses the findings of a
study that examined comprehensive permanency outcomes of children in kinship foster homes in
comparison with those in nonkinship foster care, using Adoption and Foster Care Analysis Reporting Systems (AFCARS) data from Arizona, Connecticut, Illinois, Missouri, Ohio, and Tennessee.
We will use two
comparison groups for this analysis: (1) children recorded in the KiDS database as eligible for the Brighter Futures Program who did not participate; and (2) a propensity -
matched comparison group from the whole
study population,
matched on individual - level characteristics similar to those outlined in the methods to address objectives 1 and 2.
Summary: (To include
comparison groups, outcomes, measures, notable limitations) This
study measured the outcome of Parent Effectiveness Training (P.E.T.) using parents who were trained and a
matched control group.
Summary: (To include
comparison groups, outcomes, measures, notable limitations) This
study compared the outcomes of youth receiving Parenting with Love and Limits ® (PLL) with those of a
matched sample of youth who received standard aftercare programming (
comparison group) in the
study site before PLL was implemented.
Summary: (To include
comparison groups, outcomes, measures, notable limitations) This
study evaluated the efficacy of Across Ages, a school - based Philadelphia project that
matched older mentors with middle school students.
Type of
Study:
Matched comparison group design Number of Participants: 41 SafeCare participants, 41 Family Preservation participants
The outcome
study consisted of a survey of a random sample of caregivers of children under age 10 in the Strong Communities service area and a set of
comparison communities
matched at the block group level on demography.
The purpose of the current
study was to provide a more comprehensive quantitative examination of the social functioning of siblings of children with cancer by contrasting them with
matched comparison peers across a range of measures completed by multiple informants (peers, teachers, parents, and self) in the school and home settings.