BUFFALO, N.Y. – You’ve probably seen a Likert Scale even if you don’t know the ubiquitous measurement tool by name. In its traditional form, a researcher presents a statement followed by five response ...

Conclusions: Each Likert scale favobably reflected the corresponding tumor's volume and Gleason score. Our observations show that "score 3 or higher" could be a useful threshold to predict ...

Researchers often tweak the number of response options in the traditional five-point Likert Scale with little empirical justification for doing so. Now a psychologist has tested the test.