propensity score
[prəˈpɛnsɪti skɔr]
nounpl: propensity scores
escore de propensão
1. A statistical method used in observational studies to estimate the probability that a unit (individual, organization, etc.) will receive a treatment based on observed covariates, used to reduce bias in causal inference by creating comparable groups.
The researcher used propensity score matching to balance covariates between the treatment and control groups.
O pesquisador utilizou pareamento por escore de propensão para equilibrar as covariáveis entre os grupos de tratamento e controle.
2. A numerical value between 0 and 1 representing the conditional probability of assignment to treatment given a set of observed baseline characteristics.
Each patient was assigned a propensity score based on their demographic and clinical characteristics.
Cada paciente recebeu um escore de propensão baseado em suas características demográficas e clínicas.
This is a technical statistical term developed in the USA by Rosenbaum and Rubin in the 1980s. It has become fundamental in observational research across epidemiology, public health, economics, and social sciences. The term is increasingly used in Brazilian and Portuguese academic literature, particularly in health sciences and econometrics, as researchers adopt these causal inference methods in observational studies where randomized controlled trials are infeasible or unethical.
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