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How do you convert a 5 point likert to a 3 point likert and what role does item response theory play here?
Can a 3-point scale also be called a Likert scale?? PS
How does guttman scale differ from the likert scale?
Guttman scale is a one way street. Meaning it only has positive values. common example are distance (cm/m/km) or weight (mg/g/kg)Likert scale is two way street. It has both positive and negative values. Commonly used are survey on perception. Hence a 5 Likert rating would give a 'rubric' ofStrongly Disagree (-2)Disagree (-1)Neutral (0)Agree (1)Strongly Agree (2)In the above example Likert possible rating is from -2 until +2
What scale uses responses strongly agree agree neutral strongly disagree disagree?
The Likert Scale
What type of data would the total score in a likert scale be?
That depends upon whom you ask, as there is some degree of controversy around Likert scales. Many people, myself included, would consider it interval data, and it is usually interpreted that way. However, there is another school of thought that says that Likert data is ordinal at best. Both sides of the debate have valid points, and this question hasn't been settled.
How do you convert a 7 point likert to a 10 point likert?
The correct formula is: 1.5 x (N-1) +1 where N is the score on a 7 point scale.
