Results 101 to 110 of about 410,064 (354)

Large-scale instructional reform in the Global South: insights from the mid-point evaluation of the Gauteng Primary Language and Mathematics Strategy

open access: yesSouth African Journal of Education, 2014
This paper reports on a mid-point evaluation of the Gauteng Primary Language and Mathematics Strategy (GPLMS), an innovative large-scale reform designed to improve learning outcomes.
Brahm Fleisch, Volker Schöer
doaj  

An Evaluation of the Performance of Regression Discontinuity Design on PROGRESA [PDF]

open access: yes, 2004
While providing the most reliable method of evaluating social programs, randomized experiments in developing and developed countries alike are accompanied by political risks and ethical issues that jeopardize the chances of adopting them. In this paper the authors use a unique data set from rural Mexico collected for the purposes of evaluating the ...
Buddelmeyer, Hielke, Skoufias, Emmanuel
openaire   +3 more sources

A Systematic Approach to Analyze T Cell Migration: Application to Mouse Melanoma Tumors

open access: yesAdvanced Therapeutics, EarlyView.
The results show that a minimum of two migration speeds can be rigorously identified from the data with cells switching between a fast, persistent migratory state, and a slow, random migration state. These results will help in identifying genetic factors that influence rapid migration, among other applications, such as quality control for CAR‐T cell ...
Nikolaos Memmos   +4 more
wiley   +1 more source

Randomization Inference in the Regression Discontinuity Design: An Application to Party Advantages in the U.S. Senate

open access: yesJournal of Causal Inference, 2015
In the Regression Discontinuity (RD) design, units are assigned a treatment based on whether their value of an observed covariate is above or below a fixed cutoff.
Cattaneo Matias D.   +2 more
doaj   +1 more source

Quantile Treatment Effects in the Regression Discontinuity Design [PDF]

open access: yes
This paper shows nonparametric identification of quantile treatment effects (QTE) in the regression discontinuity design (RDD) and proposes simple estimators.
Frölich, Markus, Melly, Blaise
core  

Excitation Energy Transfer between Porphyrin Dyes on a Clay Surface: A Study Employing Multifidelity Machine Learning

open access: yesAdvanced Theory and Simulations, EarlyView.
Inspired by natural light‐harvesting systems, this study computationally investigates a synthetic antenna by arranging cationic free‐base porphyrin molecules on an anionic clay surface. Using a multiscale quantum mechanics/molecular mechanics (QM/MM) approach combined with a multifidelity machine learning method, excitation energies are predicted ...
Dongyu Lyu   +7 more
wiley   +1 more source

Age discrimination causes Unemployment: Evidence from the “35-year-Old phenomenon” in China

open access: yesChina Economic Quarterly International
Age discrimination in the labor market is a global issue, and in China, it becomes a pressing concern, particularly in the context of so-called “35-year-old crisis.” Departing from the literature that largely relies on resume experiments to identify age ...
Wenlian Lin
doaj   +1 more source

Can Social Programs be Reliably Evaluated with NonExperimental Methods? Evidence on the Performance of Regression Discontinuity Design using PROGRESA data [PDF]

open access: yes
In 1997 a social program called PROGRESA was introduced in Mexico using a design for a randomized experiment. We exploit a build in, but neglected, discontinuity in the eligibility rule and use the quasi-experimental Regression-Discontinuity design in ...
Buddelmeyer, Hielke, Emmanuel Skoufias
core  

Loss of Fibronectin Fiber Tension in Glioblastoma is Associated with Microvascular Proliferations and Immune Cell Infiltration

open access: yesAdvanced Science, EarlyView.
Researchers discovered that fibronectin fibers lose their tension in specific areas of glioblastoma brain tumors, accumulating in the lumen of proliferating blood vessels and in parenchyma next to infiltrating immune cell clusters. A novel molecular tension probe enables the mapping of fibronectin's fiber tension in glioblastoma for the first time ...
Michele Crestani   +6 more
wiley   +1 more source

Rates of Return to University Education: The Regression Discontinuity Design [PDF]

open access: yes
Estimating the rate of return to a university degree has always been difficult due to the problem of omitted variable biases. Benefiting from a special feature of the University Admission system in China, which has clear cutoffs for university entry ...
Fan, Elliott   +3 more
core   +3 more sources

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