Likert scale
A Likert scale is an often used questionnaire format. It requests respondents to specify their level of agreement to each of a list of statements.
The Likert scale is named after Rensis Likert, who invented the scale in 1932.
Like Thurstone- or Guttman scaling, Likert scaling is a unidimensional scaling method. As in all scaling methods, the first step is to define what to measure. Because this is a unidimensional scaling method, it is assumed that the concept is one-dimensional in nature.
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