Suppose we want to group subjects using the “Emotion Regulation Questionnaire” (Gross and john, 2003). First, is there any reported cutoff points for this scale? and second, if there is no any cutoff, how can I use this scale for grouping subjects. This questionnaire has two subscales: “suppression” and “reappraisal”. Please let me know is this possible to group subjects into four categories, regarding to low or high scores in each subscale? for example using mean or one standard deviation as a cutoff point!
Hi Ali,
I have previously used this scale and there are no well-established cut-off points for this scale. I would recommend where possible to not reduce the sensitivity of the measurement by changing interval data into categorical data.
Best wishes,
Tom
The scale was made for research purposes. The main question here is why are multiple groups necessary? The pick-a-point approach is still often used to divide continuous variables but a more effective-and empirically based- method is the Johnson-Neyman procedure.
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