randomized experiment
[/ˈrændəmaɪzd ɪkˈsperɪmənt/]
nounpl: randomized experiments
experimento aleatorizado
1. A scientific study in which participants are randomly assigned to either a treatment group or a control group to determine the causal effect of an intervention
The randomized experiment showed that the new drug was effective in reducing symptoms.
O experimento aleatorizado mostrou que o novo medicamento era eficaz na redução dos sintomas.
2. A research design method that uses random assignment to minimize bias and establish causal relationships between variables
In a randomized experiment, researchers randomly assign subjects to different treatment conditions.
Em um experimento aleatorizado, os pesquisadores atribuem aleatoriamente os sujeitos a diferentes condições de tratamento.
Randomized experiments are foundational to evidence-based medicine and policy research in both Brazil and the USA. The term is widely used in academic institutions, pharmaceutical trials, and government research agencies. In Brazil, 'ensaio clínico randomizado' is particularly prevalent in medical and healthcare contexts, reflecting the importance of rigorous clinical trial standards.
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