[Rasch] Likert scale 'rules'

Tom Conner connert at msu.edu
Thu May 17 05:15:40 EST 2012

Some bad recommendations:


On 5/16/12 10:51 AM, Bond, Trevor wrote:
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.
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

Tom Conner
Professor of Sociology
Michigan State University
office: 517 355-1747
cell: 517 230-0343
"What if there were no hypothetical questions?"


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