[Rasch] Likert scale 'rules'

Bond, Trevor trevor.bond at jcu.edu.au
Thu May 17 00:51:56 EST 2012


Dear colleagues,
          I wonder if you  have a list of, or a link to:
Those adamant but often misleading ‘rules’ for drafting Likert scales  that are often mandated by researchers who fail to consider the Rasch/empirical evidence.
Eg
Always use odd (or even) n of categories.
Use balanced response options
Use 5-11 categories – no more, no less
Make sure to use negatively worded items to trick unthinking respondents etc etc
Thanks
Trevor
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