Silver CREST students were also 21 % more likely to take a STEM AS level subject
than control group students.
Students who received at least 25 hours of math or 34 hours of English Language Arts instruction did better
than control group students on tests in fall 2013 and fall 2014.
High - attending students were also rated by teachers as having stronger social and emotional competencies
than the control group students; however, researchers have less confidence that this was due to the programs, given the lack of prior data on these competencies.
Results showed that EC students who had at least 35 sessions scored significantly higher
than control group students on three of the four outcome measures.
Not exact matches
When researchers randomly assigned some primary school
students to perform three acts of kindness each week, those kids became more popular
than did children in a
control group (Layous et al 2012).
The first
group also scored up to 17 percent lower
than the
control group on multiple - choice tests, evidence that engaging in messaging unrelated to the class hurts
student learning.
Black
students in the experimental
group, in contrast, did significantly better academically
than their peers in the
control group — cutting in half the average achievement gap between racial
groups seen at the start of the study.
«But not having a comparison to a
control group [of children without ADHD], I'm not sure that's higher or lower
than what the
student population would be doing.»
Treated
students both attempted, and earned, 1.5 more credits (about half a college course)
than those in the
control group during their first semester.
For example,
students randomly assigned to receive a school tour of Crystal Bridges later displayed demonstrably stronger ability to think critically about art
than the
control group.
These anecdotes are supported by research showing that
students who are taught to develop mental imagery of text do better
than control groups on tests of comprehension and recall.
The results showed that
students who participated in the program performed at significantly higher levels in reading
than the
students in an experimental
control group.
They were
controlled by powerful interest
groups who cared about things other
than student learning.
Students assigned by lottery to see A Christmas Carol or Hamlet scored significantly higher on our tolerance measure than did the control - group s
Students assigned by lottery to see A Christmas Carol or Hamlet scored significantly higher on our tolerance measure
than did the
control -
group studentsstudents.
In the earlier study,
students who toured an art museum expressed significantly stronger interest in future museum attendance and actually returned to the museum at higher rates
than did the
control group.
Twenty years after
students participated in the program, John Holbein, a researcher at Princeton and the new study's author, matched Fast Track participants — now adults — to state voter files and found that those in the intervention
group voted at a rate 11 to 14 percentage points higher
than their peers in the
control group, a significant boost considering that get - out - the - vote programs typically boost turnout by only 1 to 4 percentage points.
James J. Kemple, the executive director of the Research Alliance for New York City Schools, who conducted a study comparing the city's school reform efforts to a «virtual»
control group modeled from other urban districts in the state, including Buffalo, Yonkers, Syracuse, and Rochester, «found New York City
students improved significantly faster
than the
control group on both the New York state assessments and the National Assessment of Educational Progress during the reform period, from 2002 to 2010.»
What's more,
students who were eligible for free school meals and took part in a CREST Silver Award were 38 per cent more likely to take a STEM subject at AS Level
than the matched
control group.
Even the
control -
group students did much better
than chance in picking the correct answer out of four multiple - choice options for each question.
The CTBA report ignores entirely previous research from the Brookings Institution, a random - assignment study — the gold standard of social science research — that found voucher
students in Milwaukee scored six Normal Curve Equivalent points higher
than the
control group in reading and 11 points higher in math.
However, the study found that
students who received the opportunity to attend a career academy earned 11 percent more
than the
control group.
The smallest differences after two years were observed in New York City, where the combined test scores of African - American
students attending private schools were 4.3 percentile points higher
than those of the
control group.
Moreover,
students offered vouchers graduated at a rate 12 percentage points higher
than the
control group, 82 percent to 70 percent respectively.
On average in the three cities, African - American
students who switched from public to private schools scored 6.3 percentile points higher
than their peers in the
control group on the reading portion of the test and 6.2 points higher on the math portion.
Data also show that
students in the reduced - size classrooms had higher standardized test scores in reading and mathematics
than did
students in the
control group.»
-- After two years, African - American voucher
students had combined reading and math scores 6.5 percentile points higher
than the
control group.
Black
students who attended D.C. private schools for two years scored 9.0 percentile points higher on the two tests combined
than did
students in the
control group.
-- After one year, voucher
students had reading scores 8 percentile points higher
than the
control group and math scores 7 points higher.
After one year, black
students who switched to private schools scored 0.17 standard deviations higher
than the
students in the
control group.
The program also resulted in FAFSA applications being filed significantly earlier
than those in the
control group: over one month earlier for high school
students and almost three months earlier for independent
students.
One experimental study in 2014 by Anne Gregory and colleagues found that teachers in the MTP program suspended
students less often
than teachers in the
control group, and when suspensions did occur, MTP teachers had equal suspension rates for African American and white
students.
The research team found that, in these circumstances,
students were very positively disposed to the learning but actually did not show stronger learning outcomes
than the
control group that enjoyed none of the levity.
The
students taking the course online did substantially better on assessments of algebra knowledge at the end of eighth grade, scoring 0.4 standard deviations higher
than students in the
control group.
Findings: Dayton, OH — After two years, African American voucher
students had combined reading and math scores 6.5 percentile points higher
than the
control group.
Findings: New York, NY — Using alternative methods, this study confirms the 2003 finding that, after one year, voucher
students had math scores 5 percentile points higher
than the
control group.
In 2010, the U.S. Department of Education found that
students who were offered a voucher in the Washington, D.C., voucher lottery graduated high school at a rate 12 percentage points higher
than students in the
control group.
The graduation rate among
students who actually used the voucher was 21 percentage points higher
than that of the
control group.
The results, published in 2007 in the Journal of Early Childhood Teacher Education, showed that the storytelling
students scored significantly better on vocabulary and reading «readiness» tests
than the
control group.
Findings: New York, NY — African American and Hispanic
students offered vouchers to attend private elementary schools in 1997 attended college within five years of expected high school graduation at a rate 4 percentage points higher
than the
control group and obtained a bachelor's degree at a rate 2.7 percentage points higher
than the
control group's rate (11.7 percent vs. 9.0 percent, respectively).
Students who used their vouchers had graduation rates that were 21 percentage points higher than control - group s
Students who used their vouchers had graduation rates that were 21 percentage points higher
than control -
group studentsstudents.
Findings: New York, NY — After one year, voucher
students had math scores 5 percentile points higher
than the
control group.
Students from low - performing public schools who received and used scholarships graduated at a rate 20 percent higher
than the
control group.
Most recently, multiple analyses of the New York City Choice Scholarships Foundation program found that
students who received scholarships as a result of a lottery had math scores that were five percentage points higher on average
than the
control group.
Findings: New York, NY — After three years, African American voucher
students had combined reading and math scores 9 percentile points higher
than the
control group.
Findings: Charlotte, NC — After one year, voucher
students had reading scores 8 percentile points higher
than the
control group and math scores 7 points higher.
Teske and Schneider note that the existing empirical work on school vouchers is quite positive on a variety of issues: academic considerations appear paramount when parents choose schools; voucher recipients are more satisfied with their schools
than their peers within public schools; and vouchers lead to «clear performance gains for some
groups of
students using the vouchers, particularly blacks, compared with the
control group.»
In addition, many of the TFA teachers were actually more prepared
than over half in the novice
control group: «All TFA teachers had at least 4 weeks of
student teaching, while many of the
control teachers (and over half the novice
control teachers) had no
student teaching experience at all.»
For example, in Baltimore, 77 % of community school
students in grades 6 to 8 were less likely to be chronically absent
than a
control group.
Results of a randomized
control trial demonstrated that male
students who participated in the program during Grade 9 were significantly more likely to graduate from high school within 4 years
than male
students in the
control group (81 % vs. 63 %).
Magnolia's study revealed that Achieve3000 users did significantly better over the course of the school year and performed better
than students in the
control group on the GMRT - 4.