Attempting to show that even a well - managed school district can't close achievement gaps in student learning, McRae showed Fraisse data from the state Department of Education showing significant
differences in test scores between African - American and Latino students and white students in some of the administrator's former school districts.
By the end of the century, however, many believed that employment discrimination had attenuated to such a degree that the gap in labor - market outcomes could be explained almost entirely
by differences in test scores.
Studies have shown no statistical
difference in test scores of homeschooled children taught by parents who were certified teachers and homeschooled children who were taught by parents without teaching certificates.
In past experiments college students have been told that a test they are about to take is insensitive to race or gender, and such interventions can reduce
group differences in test scores.
This figure plots treatment - control
differences in test score means against treatment - control differences in years in charter (Panel A) or pilot (Panel B).
In summary, while SES differences in readiness to start school predict
SES differences in test scores a few years later, it appears to be the case that schools also vary considerably in what happens to high - SES and low - SES children between kindergarten entry and the end of elementary school.
In New York City, at the end of the first year, African - American students in private and public schools displayed
substantial differences in test scores, but these diminished slightly in the second year.
When Hockenberry asked Ronald Peiffer, Maryland's assistant state superintendent of schools, how he would respond to a drop in test scores, Peiffer said that
differences in test scores from year to year really do not mean much.
You guessed it: the media interpreted the Steele and Aronson results as meaning that
group differences in test scores are illusions that will evaporate if only we can get students to ignore the stereotypes that hold down their performance.
Those differences correlated to
differences in both test scores and family income.
Differences in test scores, college attendance, and graduation rates between wealthy and poor students are reaching an unprecedented disparity, with tremendous implications for the American public schooling system.
It was within that context that we said, «Let's go out and try to identify some ways to identify effective teaching that help illuminate what's going on with
the difference in test scores.»
That differences in resources do not explain a large share of
the differences in test scores between white and minority students (the report focused on African American students) does not necessarily mean those resources do not affect student achievement.
Once we adjusted the data for the effects of socioeconomic status, birth weight, participation in WIC, and a few other variables, we were able to fully account for
the difference in test scores.
Andreas Schleicher, the OECD's director for education and skills, in response to a question from EdSource Monday said that it's too early to judge whether new Common Core math and English language arts standards adopted in most states have made
a difference in test scores.
«If you ask the question, «When I offered students vouchers, did I make
a difference in their test scores?»
So far, the Education Department has found little if
any difference in the test scores of kids who got vouchers to attend private school.
The difference in test scores produced by the incentive system was about the same as that detected in earlier studies that measured differences in student performance when kids were taught by great teachers rather than average teachers.
The difference in test scores between these «young» 5 - year - olds and «old» 5 - year - olds was remarkably stable, the study found, at about two - tenths of a standard deviation.
Eliminating
those differences in test scores between middle - class white students and minority, low - income and non-native English - speaking children is one of the key components of Obama's Race to the Top initiative and the proposed changes to No Child Left Behind.
Effect size for the adjusted mean difference between each treatment was calculated by dividing the mean
difference in test score by the square root of the within mean square error for the adjusted post-test score.