Using estimates from Chetty et al. on how 3rd grade test scores affect later adult earnings, and estimates from Bartik, Gormley and Adelstein of expected adult income of children from different income groups, I project that for low - income children, the 3rd grade test
score effects estimated by Duncan / Sojourner would be consistent with a lifetime increase in adult earnings of about 13 %.
Not exact matches
Positive economic feedback
effects from a somewhat faster growing economy seem likely to shrink the tax bill's deficit impact relative to the «static
scoring»
estimate of about $ 1.5 trillion.
Budget
scoring: The process of
estimating the budgetary
effects of proposed changes in tax and expenditure policies and enacted legislation.
What the conventional
scoring process does not do is incorporate the the
effects of any changes in macroeconomic variables — things like GDP, inflation, and employment — and how those might alter the cost
estimate.
Propensity
score matching is a statistical technique that attempts to
estimate the
effect of a treatment by accounting for the covariates that predict receiving treatment.
Next, we
estimated the
effect of our model variables on the probability of receiving a priority
score during the review process (table S14).
Prespecified secondary outcomes: diagnostic cancer stage and Gleason grade (range, 2 - 10; higher
scores indicate a poorer prognosis) of prostate cancers identified, all - cause mortality, and an instrumental variable analysis
estimating the causal
effect of attending the PSA screening clinic.
Glycemic load
scores provide an even more accurate
estimate of the
effect of a food on blood sugar levels because they take into account not only the glycemic index, but also the portion size of the food.
We use common statistical procedures to
estimate the
effect on math and reading test
scores of each additional year of actual attendance at a charter school.
Another 56 percent attend a school that is
estimated to have a positive
effect that is large: between 0.1 and 0.3 of a standard
score.
To check this out, I
estimated the
effect of having a female math teacher on students» science
scores.
Charter school attendance also appears to have a modest positive
effect on reading
scores, though this
estimate falls short of statistical significance due to the relatively small number of students in our lottery sample.
My best
estimate is that it lowers test
scores for both boys and girls by approximately 4 percent of a standard deviation and has even larger
effects on various measures of student engagement.
Estimates from regressions with detailed controls, nearest - neighbor models, and propensity
score models all indicate large, positive, and statistically significant relationships between computer ownership and earnings and employment, in sharp contrast to the null
effects of our experiment.
I therefore separate the students in my sample by years of age and
estimate the
effect of start time on test
scores separately for each group.
This provided us with what are known as «baseline test
scores» that can be used to obtain more precise
estimates of program
effects.
One way to
estimate the possible size of peer
effects at KIPP is to combine our findings with other research on how peers» prior
scores affect student achievement.
Even if the largest
estimates of peer
effects are correct, however, the improvement in peers» prior test
scores would appear to benefit KIPP students» achievement only by about 0.07 to 0.09 standard deviations after four years at KIPP.
We decided to assess the relationship between test -
score trends and incumbents» decisions to run for reelection, and then to
estimate the
effect of test -
score trends on the probability that an incumbent who runs faces an opponent.
A typical caveat in these studies is that they
estimate effects of remedial assignment only for students
scoring near the cutoff.
To measure the
effect on children's test
scores of switching to a private school, we
estimate a statistical model that takes into account whether a child attended a public or a private school, as well as baseline reading and math test
scores.
The outcome of the lottery, a random event, was used to create what statisticians refer to as an instrumental variable, which obtains unbiased
estimates of the
effects of attending private school on students» test
scores.
The
estimated effects on reading
scores are statistically indistinguishable from zero primarily because they are less precise.
[11] The
effect of mindset
estimated in this study seems promising, especially considering that about 75 percent of students in each grade have room to improve their mindset
score by one standard deviation or more.
[6] Several studies
estimated the causal
effect of being assigned to remediation on future college outcomes by comparing students just above and below test
score cutoffs for remedial placement.
Adjusting for the
effect of instructional days, we
estimate that
scores increased by roughly 0.25 standard deviations, nearly 40 percent less than the reported gains.
In addition to our main experiment testing the ECO-C Intervention's
effects on our target group of high - achieving, low - income students, we also used the same approach to study its
effects on students who meet the same test -
score criteria but who have
estimated family income above the bottom one - third or attended a feeder high school.
Data from the tracking schools allow us to
estimate the
effect of being taught with a higher - achieving vs. lower - achieving peer group by comparing students with baseline test
scores in the middle of the distribution.
Figure 1 compares the magnitude of the
effect of instructional days on standardized math
scores to
estimates drawn from other high - quality studies of the impact of changing class size, teacher quality, and retaining students in grade.
Finally, the only study to have
estimated the
effect of charter school attendance on students» job prospects, although based on nonexperimental methods, finds that attending a Florida charter school increased students» earnings as adults despite having no impact on their standardized test
scores.
The point in the middle of the bars for each study is the
estimate of the
score effect, which is negative in both subjects in all four studies.
The study takes pains to look at alternative matching approaches and different ways to
estimate effects on test
scores.
Estimates that include student fixed
effects require at least three years of
scores, which provide two changes in
scores from one period to another, typically called gain
scores (even though in some cases they are losses, not gains).
Our use of annual gain
scores provides an
estimate of treatment
effects based on the extent to which students at each school do better or worse than would be expected, given their initial test
scores.
When
estimated without demographic controls, the 2SLS
estimates imply that ELA
scores increase by about 0.25 σ for each year in a charter, whereas the per - year math
effect is 0.42 σ.
Thus adjusting the data for the
effects of socioeconomic status reduces the
estimated racial gaps in test
scores by more than 40 percent in math and more than 66 percent in reading.
Related literature on
estimating teacher
effects on test
scores includes refs.
On the other hand, the
estimated pilot
effects on ELA and math
scores with no controls or demographics — both reduced form and 2SLS — are small and not significantly different from 0.
In parallel with the optimal linear predictor of college attendance, the optimal linear predictor for the test
score is The predictive
effects are With the baseline controls in X, the
estimates are and.
Achievement
effects are
estimated using school - average test
scores on state standardized math assessments.
In the falsification models, we
estimate «curriculum
effects» on test
scores prior to the year of adoption of the focal curriculum materials, and on test
scores in English Language Arts (ELA) instead of mathematics.
To address this problem, we
estimate effects separately by subject, recognizing that the stakes attached to math and language
scores were roughly double the stakes for science and social studies
scores during the period under analysis.
We used a random - assignment experiment in Los Angeles Unified School District to evaluate various non-experimental methods for
estimating teacher
effects on student test
scores.
In two new studies (here and here), we
estimate the
effects of private school market share on Programme for International Student Assessment (PISA)
scores, political rights indices, and economic freedom indices within over 60 countries over time.
After two years of enrollment, LSP scholarship users
scored 0.18 standard deviations (roughly six months of learning) lower than the control group in English Language Arts (ELA), but this point
estimate was not statistically significant, meaning that we can not rule out no
effect or a positive
effect;
More specifically, the authors
estimated the
effect size — or the increase in average scale
scores — of a one - hour later school start time on
scores for the 2015 NAEP math and reading exams.
«Value added» is a statistical method of
estimating the
effect of a teacher's instruction on his or her students» test
scores.
Teachers are the most important in - school factor for student achievement.97 Indeed, research
estimates that teachers have two to three times the
effect of any other school factor, such as school services and leadership, on student academic performance.98 An oft - cited study underscores the scope of this
effect, finding that students with three consecutive high - performing teachers
scored approximately 50 percentile points higher than students placed with three consecutive low - performing teachers.99
The availability of test
scores in multiple subjects for each student permits us to
estimate a model with student fixed
effects, which helps minimize any bias associated with the non-random distribution of teachers and students among classrooms within schools.
This paper is one of the first to
estimate the
effects of features of teachers» preparation on teachers» value - added to student test
score performance in Math and English Language Arts.