Likert scale is defined as a rating scale presented as a horizontal line divided into categories so that participants can circle a number or mark an X at the location corresponding to their response. Likert scale is an approach to attitude measurement in which respondents indicate the strength of their agreement or disagreement with various statements.

Moreover, Likert scale is the type of composite measure developed by Rensis Likert in an attempt to improve the levels of measurement in social research through the use of standardized response categories in survey questionnaires to determine the relative intensity of different items. Likert items are those using such response categories as strongly agree, agree, disagree, and strongly disagree. Such items may be used in the construction of true Likert scales as well as other types of composite measures.

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