[Rasch] Rasch Digest, Vol 113, Issue 8
tstoecke at sky.miyazaki-mic.ac.jp
Fri Dec 12 16:06:19 EST 2014
Thanks for your feedback, Mike. I will try the plot and let you know what
it looks like.
On Fri, Dec 12, 2014 at 10:00 AM, <rasch-request at acer.edu.au> wrote:
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> Today's Topics:
> 1. Re: Person Dimensionality (Mike Linacre)
> ---------- Forwarded message ----------
> From: Mike Linacre <mike at winsteps.com>
> To: <rasch at acer.edu.au>
> Date: Fri, 12 Dec 2014 10:24:31 +1000
> Subject: Re: [Rasch] Person Dimensionality
> Thank you for your email, Tim.
> Yes, your interpretation looks good to me.
> Yes, "Dimension" or "Strand" is usually used of items.
> For persons, "Style" or "Attribute" - also please Google - synonym trait -
> for some other suggestions.
> In previous times, guessers vs. not-guessers was analyzed using Rasch
> outfit statistics. Please try plotting log(outfit mean-square) against
> loading. Is that an informative plot?
> Mike L.
> On 12/12/2014 10:02 AM, Stoeckel, Tim wrote:
> *In your opinions, would it be appropriate to refer to this as a
> dimension? If not, how might it be referred to? *I am considering
> describing this as something like “The pattern of residual loadings in the
> data suggests [quite clearly?] that test scores reflect not only the
> primary latent construct but also willingness to skip unknown test items. *Would
> you agree with that interpretation of the data?*
> Mike Linacre, mike at winsteps.com or winsteps1234 at gmail.com
> Winsteps: www.winsteps.com/winsteps.htm - current version 3.81.0 -
> February 2014
> Facets: www.winsteps.com/facets.htm - current version 3.71.4 - January
> Winsteps and Facets Tutorial PDFs at www.winsteps.com/tutorials.htm
> Your comments and questions are welcomed.
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