Likert Scale

The Likert scale is a widely used type of scale designed to measure people’s attitudes, as given on a scale of 5 specific levels of agreement or disagreement. This type of scale was introduced by American psychologist Rensis Likert in 1932.

Source: Likert, Rensis (1932). “A Technique for the Measurement of Attitudes”. Archives of Psychology. 140: 1–55.

See list of all tests, scales and inventories.