[Rasch] Rasch Digest, Vol 84, Issue 2

Vahid Aryadoust vahidaryadoust at gmail.com
Fri Jul 6 16:17:17 EST 2012


Thanks you, Mike. Very helpful.



______________________________________

Human beings are members of a whole,
In creation of one essence and soul.
If one member is afflicted with pain,
Other members uneasy will remain.
If you've no sympathy for human pain,
The name of human you cannot retain.







On Fri, Jul 6, 2012 at 10:00 AM, <rasch-request at acer.edu.au> wrote:

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>    1. Re: Rasch Digest, Vol 84, Issue 1 (Vahid Aryadoust)
>    2. Re: Facets & G-Theory (Mike Linacre)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 5 Jul 2012 14:09:31 +0800
> From: Vahid Aryadoust <vahidaryadoust at gmail.com>
> Subject: Re: [Rasch] Rasch Digest, Vol 84, Issue 1
> To: <rasch at acer.edu.au>
> Message-ID:
>         <CACa=
> zxPgUsD3Nxs3j+jXOin-YvXY5p_JYy4hmLa2uErF3_LhVQ at mail.gmail.com>
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>
> Dear Mike,
>
> I find that some researchers apply many-facets and G-studies jointly
> because the g-study estimates the amount of variance explained by each
> facet. I have not been able to find this estimate in Facets's output;
> WINSTEPS summarizes the variance explained by person and item measures,
> though. Is there any method to get this information outputted ?
> Thanks a lot.
> Best regards,
> Vahid
>
>
>
> *Vahid ARYADOUST, *Lecturer
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> ______________________________________
>
> Human beings are members of a whole,
> In creation of one essence and soul.
> If one member is afflicted with pain,
> Other members uneasy will remain.
> If you've no sympathy for human pain,
> The name of human you cannot retain.
>
>
>
>
>
>
>
> On Thu, Jul 5, 2012 at 10:00 AM, <rasch-request at acer.edu.au> wrote:
>
> > Send Rasch mailing list submissions to
> >         rasch at acer.edu.au
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >         https://mailinglist.acer.edu.au/mailman/listinfo/rasch
> > or, via email, send a message with subject or body 'help' to
> >         rasch-request at acer.edu.au
> >
> > You can reach the person managing the list at
> >         rasch-owner at acer.edu.au
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> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Rasch digest..."
> >
> >
> > Today's Topics:
> >
> >    1. EDUG or FACETS for the generalizability analysis?
> >       (Mohamad Imanian)
> >    2. Re: EDUG or FACETS for the Generalizability analysis?
> >       (Mike Linacre)
> >    3. Re: EDUG or FACETS for the Generalizability analysis?
> >       (Mohamad Imanian)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Wed, 4 Jul 2012 10:54:42 -0700
> > From: Mohamad Imanian <mohamad_imanian at yahoo.com>
> > Subject: [Rasch] EDUG or FACETS for the generalizability analysis?
> > To: "rasch at acer.edu.au" <rasch at acer.edu.au>
> > Message-ID:
> >         <1341424482.8104.YahooMailNeo at web125404.mail.ne1.yahoo.com>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Dear Friends,
> > If you want to analyze the generalizability of a test, do you prefer to
> > use EDUG Software program or the FACETS Program? Is there any difference
> in
> > the results of our generalizability study using either software?
> > Best Regards
> > ------------------
> > Mohamad Imanian
> > English Translation Department
> > Kashmar Payameh Noor University (Iran)
> > +989126938148
> > -------------- next part --------------
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> >
> > ------------------------------
> >
> > Message: 2
> > Date: Thu, 5 Jul 2012 06:10:46 +1300
> > From: Mike Linacre <rmt at rasch.org>
> > Subject: Re: [Rasch] EDUG or FACETS for the Generalizability analysis?
> > To: <rasch at acer.edu.au>
> > Message-ID: <5.1.0.14.2.20120705055611.02b6b2b0 at www.rasch.org>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Thank you for your question, Mohammad.
> >
> > EDUG and FACETS have different purposes. EDUG performs a Generalizability
> > Theory analysis. Facets performs a Rasch Measurement analysis. These two
> > analyses are different, and produce different results.
> >
> > Generalizability Theory conducts a Generalizability Study in which it
> > computes the variance terms in the raw scores. These variance terms can
> be
> > used to optimize a Decision Study.
> >
> > Rasch Measurement constructs additive measures based on the raw scores.
> > These measures are adjusted for rater leniency, item difficulty, etc.
> >
> > Please see http://www.rasch.org/rmt/rmt151s.htm for a comprehensive
> > comparison of the two methodologies.
> >
> > OK?
> >
> > Mike L.
> >
> > At 7/4/2012, you wrote:
> > >If you want to analyze the generalizability of a test, do you prefer to
> > >use EDUG Software program or the FACETS Program? Is there any difference
> > >in the results of our generalizability study using either software?
> >
> > Mike Linacre
> > rmt at rasch.org www.rasch.org/rmt/ Latest RMT: 25:4 Spring 2012
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
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> >
> > ------------------------------
> >
> > Message: 3
> > Date: Wed, 4 Jul 2012 14:06:38 -0700
> > From: Mohamad Imanian <mohamad_imanian at yahoo.com>
> > Subject: Re: [Rasch] EDUG or FACETS for the Generalizability analysis?
> > To: "rasch at acer.edu.au" <rasch at acer.edu.au>
> > Message-ID:
> >         <1341435998.45433.YahooMailNeo at web125402.mail.ne1.yahoo.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Dear Mike,
> > I just wanted to be sure that WINSTEP or FACETS would not have the
> > capacity for doing generalizability studies as well as other known
> > functionalities in Rasch Measuement. I knew that GENOVA, SAS, and EDUG
> > could be used for generalizability analysis but I thought WINSTEP and
> > FACETS might have such a componenet.
> > Thanks for your caring,
> > Best
> > Mohamad Imanian
> > ?
> >
> >
> > >________________________________
> > > From: Mike Linacre <rmt at rasch.org>
> > >To: rasch at acer.edu.au
> > >Sent: Wednesday, July 4, 2012 8:40 PM
> > >Subject: Re: [Rasch] EDUG or FACETS for the Generalizability analysis?
> > >
> > >
> > >Thank you for your question, Mohammad.
> > >
> > >EDUG and FACETS have different purposes. EDUG performs a
> Generalizability
> > Theory analysis. Facets performs a Rasch Measurement analysis. These two
> > analyses are different, and produce different results.
> > >
> > >Generalizability Theory conducts a Generalizability Study in which it
> > computes the variance terms in the raw scores. These variance terms can
> > be used to optimize a Decision Study.
> > >
> > >Rasch Measurement constructs additive measures based on the raw scores.
> > These measures are adjusted for rater leniency, item difficulty,
> > etc.
> > >
> > >Please see
> > http://www.rasch.org/rmt/rmt151s.htm
> > for a comprehensive comparison of the two methodologies.
> > >
> > >OK?
> > >
> > >Mike L.
> > >
> > >At 7/4/2012, you wrote:
> > >
> > >If you want to analyze the generalizability of a test, do you prefer to
> > use EDUG Software program or the FACETS Program? Is there any difference
> in
> > the results of our generalizability study using either software?
> > >>
> > >Mike Linacre
> > >rmt at rasch.org www.rasch.org/rmt/ Latest RMT: 25:4 Spring 2012
> > >_______________________________________________
> > >Rasch mailing list
> > >Rasch at acer.edu.au
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> >
> https://mailinglist.acer.edu.au/mailman/options/rasch/mohamad_imanian%40yahoo.com
> > >
> > >
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> > End of Rasch Digest, Vol 84, Issue 1
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> >
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> ------------------------------
>
> Message: 2
> Date: Thu, 5 Jul 2012 18:59:47 +1300
> From: Mike Linacre <rmt at rasch.org>
> Subject: Re: [Rasch] Facets & G-Theory
> To: <rasch at acer.edu.au>
> Message-ID: <5.1.0.14.2.20120705185416.02c9e280 at www.rasch.org>
> Content-Type: text/plain; charset="us-ascii"
>
> Vahid:
>
> There are some suggestions about variances in Facets Help for Table 5:
> http://www.winsteps.com/facetman/index.htm?table5.htm
>
> Mike L.
>
> At 7/5/2012, you wrote:
> >I find that some researchers apply many-facets and G-studies jointly
> >because the g-study estimates the amount of variance explained by each
> >facet. I have not been able to find this estimate in Facets's output;
> >WINSTEPS summarizes the variance explained by person and item measures,
> >though. Is there any method to get this information outputted ?
>
> Mike Linacre
> rmt at rasch.org www.rasch.org/rmt/ Latest RMT: 25:4 Spring 2012
> -------------- next part --------------
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> End of Rasch Digest, Vol 84, Issue 2
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