[Rasch] qualitatively described, quantitatively responded
trevor.bond at jcu.edu.au
Tue Nov 6 10:49:49 EST 2007
please note that your qualitative descriptors can be ordered:
minimally partially sufficiently fully
attributing numerals to those ordered categories
maintains the order but says nothing about the intervals between
those ordered categories
that (estimating intervals) is the task of the investigator using the
Of course it is much easier to NAME some ordered categories than it
is to define them sufficiently to categorize all responses
but that is our aim
hope that starts you on the right track
At 9:40 PM +0330 11/5/07, shirin ahmadishirazi wrote:
>Hi List members,
>I would be extremely grateful if you help solve the following controversies:
>1. Qualitative words are not appropriate to describe a quantitative construct.
>2. Qualitative words are used to differentiate descriptors of levels
>of proficiency (although it is difficult to make distinctions
>between "some" and "a few", and "several" and "many").
>3. Productive skills (Speaking and writing) are qualitatively
>described but quantitatively scored. How can qualitative words
>(e.g., fully, sufficiently, partially, minimally, largely,
>adequately, effectively, ...) get quantified?
>All the Best,
>Connect to the next generation of MSN Messenger
>Rasch mailing list
>Rasch at acer.edu.au
Trevor G BOND Ph D
Professor and Head of Dept
Educational Psychology, Counselling & Learning Needs
D2-2F-01A EPCL Dept.
Hong Kong Institute of Education
10 Lo Ping Rd, Tai Po
New Territories HONG KONG
Voice: (852) 2948 8473
Fax: (852) 2948 7983
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