scales of measurement

Scales of Measurementin

Research Methodology

Presented by group no. 1

Ankit Singh

Jyoti Daima

Priya Jain

Nominal Scale Ordinal ScaleInterval Scale

Ratio Scale

Nominal Scale• The lowest measurement level we use.

• Used to classify the data, mostly dichotomous.

• Placing of data into categories without any higher or lower order or structure.

Ex. Name, Marital status, Gender, Assumptions (True or False)

• No logical basis for saying that one category such as “single” is higher or lower than any other.

Ordinal or Ranking Scale• Placing Variables in order according to their size

or quality.

•Measures mainly the non-numeric concepts.

• Shows the ranking of an item from highest to lowest.

•Mainly used in the studies of qualitative phenomenon.

Ex. Ranks given to the Students appeared in M.A.T.

Preference of transport service by a person.

Interval or Rating Scale

• Shows the distance between two measures.

• A fixed difference successive measure.

• Does not have an absolute zero but an arbitrary zero.

Ex. Scale of temperature

The zero degree temperature

Ratio Scale

• Has all the properties of nominal, ordinal & interval Scale.

• Has an absolute zero.

• So can do all the calculations

• One can compare more easily with absolute values.

Ex. Measurement of length.

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