null result
[/nʌl rɪˈzʌlt/]
nounpl: null results
resultado nulo
1. An outcome or conclusion that shows no significant effect, no change, or no positive findings; a result indicating absence of expected data or failure to detect something
The experiment produced a null result, showing no correlation between the two variables.
O experimento produziu um resultado nulo, não mostrando correlação entre as duas variáveis.
2. In statistics and hypothesis testing, a result that fails to reject the null hypothesis
After running the analysis, we obtained a null result that did not support our initial hypothesis.
Após executar a análise, obtivemos um resultado nulo que não apoiou nossa hipótese inicial.
3. In computing and database queries, a response that returns no data or empty set
The database search returned a null result because no matching records were found.
A busca no banco de dados retornou um resultado nulo porque nenhum registro correspondente foi encontrado.
The term 'null result' is primarily used in academic, scientific, and technical contexts in both Brazil and the USA. In English-speaking countries, it's a standard term in research methodology and statistics. In Brazil, 'resultado nulo' is equally formal and commonly used in universities and research institutions. The concept is important in scientific culture as it emphasizes that negative or inconclusive results are still valuable for advancing knowledge.
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