[Rasch] neutral categories in scales

Ian Blackman ian.blackman at flinders.edu.au
Sat Feb 23 11:47:55 EST 2013

Hi all
Could I please have some advice.... I have some data with 5 categories with a middle category being neutral (rated as 3). I wish to remove that neutral category as i do not believe it is measuring a continuum of the latent trait being estimated. Is there any literature that supports this belief and secondly, would the reliability of the items be influenced if the neutral category was recoded to zero. Many thanks


Dr Ian Blackman
Flinders University
phone: +61 8 82013477
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