21. Each item is measured on a 5-point Likert scale ( 1 = Strongly Disagree, 5 = Strongly Agree ). 22. The participants rank 16 total statements ( four in each category of amotivation ) on a 1-7 Likert scale . 23. All items are rated on a 7-point Likert Scale from " strongly disagree " to " strongly agree ". 24. It is when a Likert scale is symmetric and equidistant that it will behave more like an interval-level measurement. 25. First, Likert scales are arbitrary. 26. The Borg scale can be compared to other linear scales such as the Likert scale or a visual analogue scale. 27. In a 1984 paper, Baker and Siryk described the results of a 52-item self-report inventory that used a Likert scale . 28. A "'Likert scale "'( but more commonly pronounced ) is a psychometric scale commonly involved in research that employs questionnaires. 29. Seeking optimality, it is a compromise between the competing merits and demerits of the Likert scale and the Analog scale. 30. A common question format was a Likert scale rating for a feature and free-response text box to provide additional feedback.