interval scale
[ˈɪn.tɚ.vəl skeɪl]
nounpl: interval scales
escala de intervalo
1. A measurement scale where the distance between values is meaningful and consistent, but there is no true zero point. It allows for meaningful comparisons of differences between values.
Temperature in Celsius is an example of an interval scale because the difference between 20°C and 30°C is the same as between 30°C and 40°C, but 0°C does not mean the absence of temperature.
A temperatura em Celsius é um exemplo de escala de intervalo porque a diferença entre 20°C e 30°C é a mesma que entre 30°C e 40°C, mas 0°C não significa ausência de temperatura.
2. A type of quantitative measurement scale used in statistics and research where data can be ordered and the intervals between data points are equal and meaningful.
When measuring IQ scores, researchers use an interval scale because equal differences in scores represent equal differences in intelligence.
Ao medir pontuações de QI, os pesquisadores usam uma escala de intervalo porque diferenças iguais nas pontuações representam diferenças iguais na inteligência.
The concept of interval scales is fundamental in statistics, psychology, and social sciences in both Brazil and the USA. It is primarily used in academic and professional research contexts. Understanding interval scales is crucial for proper statistical analysis and is taught extensively in universities across both countries. The term is technical and not commonly used in everyday conversation.
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