Double ratings |
This is for 32-bit Facets 3.87. Here is Help for 64-bit Facets 4
If a rater rates the same performance twice, we may want to look at the relationship between the first and second rating. Here is a start:
1) Each rater has two element numbers, e.g.,
101 and 102 ; this is rater 10 first rating and second rating
111 and 112
121 and 122
.....
2) Give the raters group numbers:
...
*
2, Raters
101=10 first, , 1 ; first ratings are in group 1
102=10 second, , 2 ; second ratings are in group 2
....
*
3) There is a "double rating" facet:
Labels=
....
*
4, Rating sequence, D ; dummy facet
1=First rating
2=Second rating
*
You could also model the second rating with an additional rating scale. Give the Models= specification for this rating a very small weight:
0=second rating lower than first
1=second and first rating the same
2=second rating higher than first
*
Enter 0,1 or 2 into the data for each double-rating, in addition to the two ratings.
Help for Facets Rasch Measurement and Rasch Analysis Software: www.winsteps.com Author: John Michael Linacre.
Facets Rasch measurement software.
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Jan. 17 - Feb. 21, 2025, Fri.-Fri. | On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com |
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