[Rasch] Specificity of Facets

Shirin Shirazi shirin.shirazi at gmail.com
Thu Mar 2 20:24:22 AEDT 2017


Dear Dr Linacre, 

Many thanks for your answer and the link. The question is there is no rating scale questions. The test just contain 60 MC type. 

Great regards

Sent from my iPhone

> On Mar 2, 2017, at 3:44 AM, Mike Linacre <mike at winsteps.com> wrote:
> 
> Shirin:
> 
> MCQ and rater-intermediated items can be included in the same Facets analysis - 
> http://www.winsteps.com/facetman/mixed.htm?zoom_highlightsub=mcq
> 
> Then Facets supports bias analyses for any combination of facets.
> 
> OK?
> 
> Mike L.
> 
>> On 3/2/2017 5:01 AM, Shirin Shirazi wrote:
>> The impetus for asking this question is that I have been thinking of the possibility of assessing reading comprehension questions in the format of Multiple choice to find bias of facets (examinees, text type/genre, number of items, field of study, age, length of the passage) through MFRM knowing that the raters do not have a say in MC type in the assessment procedure due to the objectivity of scoring, hence I am wondering another measurement technique should be taken to find it?  
>> As a matter of course, I would hesitate to use either Facets or Winsteps to find the biases induced by the above-mentioned facets?
> 
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