equivalent groups
[ɪˈkwɪvələnt ɡruːps]
nounpl: equivalent groups
grupos equivalentes
1. Sets or collections of items, people, or entities that have equal value, function, or characteristics and can be substituted for one another
In mathematics, equivalent groups have the same cardinality and can be put in one-to-one correspondence.
Em matemática, grupos equivalentes têm a mesma cardinalidade e podem ser colocados em correspondência um-a-um.
2. In research or statistics, groups that are comparable or matched on key variables for the purpose of analysis or comparison
The control and treatment groups were equivalent groups in terms of age and education level.
Os grupos de controle e tratamento eram grupos equivalentes em termos de idade e nível de educação.
3. In chemistry, groups of compounds or elements that have similar properties or reactivity
Equivalent groups of halogens display similar chemical behavior.
Grupos equivalentes de halogênios exibem comportamento químico semelhante.
The term 'equivalent groups' is primarily used in academic, scientific, and statistical contexts in both Brazilian and American English. It is especially common in educational research, psychology, medicine, and mathematics. In Brazil, the term is used similarly to English-speaking countries, particularly in universities and research institutions conducting comparative studies.
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