Levels of Measurement: Nominal, Ordinal, Interval & Ratio Scales Explained with Examples
LEVELS OF MEASUREMENT Scales of Measurement Levels of Measurement (also called Scales of Measurement ) refer to the different ways of categorizing, ranking, or quantifying variables in research and statistics. There are four levels , arranged from the simplest to the most complex: 1. Nominal Level of Measurement Definition: Data is categorized into distinct groups or labels without any order or ranking. Key Features: Used only for naming or labeling. No mathematical operations can be performed. Data cannot be ordered or compared. Only checks for equality or difference between categories. Examples: Gender: Male, Female, Other Religion: Hindu, Muslim, Christian Blood Group: A, B, AB, O Eye Color : Brown, Black, Blue 2. Ordinal Level of Measurement Definition: Data is categorized and arranged in a specific order or rank, but the difference between ranks is not equal or known. Key Features: ...