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Steroids and mortality in non-critically ill COVID-19 patients: a propensity score-weighted study in a Chilean cohort
(Elsevier, 2021)
Objectives: The aim of this study was to evaluate the impact on 30-day mortality of early use of corticosteroids in COVID-19 patients with supplementary oxygen requirements and without invasive mechanical ventilation at ...
Impacto de realização de pré-escola sobre lócus de controle
(2016-02-05)
O presente trabalho avalia o impacto da realização de Educação Infantil tem sobre a habilidade não cognitiva Lócus de controle, uma medida de quão responsável os indivíduos se sentem com os fatos que acontecem em suas ...
Microcrédito y bienestar : una evaluación empírica.
(2012-10-01)
El artículo expone los resultados de una investigación académica dirigida a estimar el efecto de corto plazo de la otorgación de microcréditos sobre la población de beneficiarios de programas implementados en la ciudad de ...
Facebook, Twitter and youth engagement: A quasi-experimental study of social media use and protest behavior using propensity score matching.
(2014)
This study examines changes in the association between social media use and protest behavior in the context of growing social unrest among the younger population. Using propensity score matching, it analyzes data from a ...
A Matching estimator based on a bilevel optimization problem
(Mit Press, 2015)
This paper proposes a novel matching estimator where neighbors
used and weights are endogenously determined by optimizing a covariate
balancing criterion. The estimator is based on finding, for each unit that
needs to ...