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Level of measurement

Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal, ordinal, interval, and ratio. This framework of distinguishing levels of measurement…

Measurement & Science

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Stevens's typology

Debate over Stevens's typology

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Level of measurement

Nodes86
Edges85
Triples4
Avg. degree1.98
Density0.023256
Components1

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Important terminology

measurement scale ordinal nominal stevens's type interval ratio scales stevens types data theory measurements central may example one measure include

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
for temperature in Orders of magnitudeinstance ofRatio scales are often used to express an order of magnitude0.80text
means can meaningfully be used on ordinal scale variablesinstance ofinterval scale statistics0.80text
SPSS requires the user to select the appropriate measurement class for each variableinstance ofStatistical analysis software0.80text
total scores on assessments.Other proposed typologiesTypologies aside from Stevens's typology have been proposedinstance ofwho developed the probabilistic Rasch model that provides a theoretical basis and justification for obtaining interval-level measurements from counts of observations0.80text

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