CFILE= scored category label file

Rating (or partial credit) scale output is easier to understand when the categories are shown with their substantive meanings. Use CFILE= to label categories using their scored values, i.e., after rescoring. Use CLFILE= to label categories using their original codes, i.e., before any rescoring.


Labels for categories, after they have been scored, can be specified using CFILE= and a file name, or CFILE=* and placing the labels in the control file. Each category number is listed (one per line), followed by its descriptive label. If the observations have been rescored (NEWSCORE=) or keyed (KEYn=), then use the recoded category value in the CFILE= specification. When there are different category labels for different ISGROUPS= of items, specify an example item from the grouping, followed immediately by "+" and the category number. Blanks or commas can be used a separators between category numbers and labels.


CFILE= file name

file containing details


in-line list


opens a Browser window to find the file


Example 1: Identify the three LFS categories, 0=Dislike, 1=Don't know, 2=Like.



0 Dislike

1 Don't know

2 Like



The labels are shown in Table 3.2 as:





    0        378     -.87  1.08  1.19   NONE     Dislike

    1        620      .13   .85   .69     -.85   Don't know

    2        852     2.23  1.00  1.46      .85   Like



Example 2: Items 1-10 (Grouping 1) are "Strong Disagree, Disagree, Agree, Strongly Agree". Items 11-20 (Grouping 2) are "Never, Sometimes, Often, Always".





7+1 Strongly Disagree ; We could use any item number in Grouping 1, i.e., 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

7+2 Disagree  ; item 7 has been chosen

7+3 Agree

7+4 Strong Agree

13+1 Never  ; We could use any item number in Grouping 2, i.e., 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

13+2 Sometimes ; item 13 has been chosen

13+3 Often

13+4 Always



Example 3: To enter CFILE= information on the DOS Prompt or Extra Specifications lines, using commas instead of blanks as separators:

C:>Winsteps SF.TXT SFO.TXT CFILE=* 1,Dislike 2,Don't-know 3,Like *


Example 4: Some items have one rating scale definition, but most items have another rating scale definition. But each item is calibrated with its own structure: ISGROUPS=0





1 Strongly Disagree This scale is used by most items

2 Disagree

3 Agree

4 Strong Agree

16+1 Never  16 is one item using the other scale

16+2 Sometimes

16+3 Often

16+4 Always

17+1 Never  17 is another item using the other scale

17+2 Sometimes

17+3 Often

17+4 Always

....   for all the other items using the other scale



Example 5: Several categories are collapsed into one category. The original codes are A-H. After rescoring there is only a dichotomy: 0, 1.





0 Fail  Specify the categories as recoded

1 Pass


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Rasch Publications
Rasch Measurement Transactions (free, online) Rasch Measurement research papers (free, online) Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch Applying the Rasch Model 3rd. Ed., Bond & Fox Best Test Design, Wright & Stone
Rating Scale Analysis, Wright & Masters Introduction to Rasch Measurement, E. Smith & R. Smith Introduction to Many-Facet Rasch Measurement, Thomas Eckes Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments, George Engelhard, Jr. & Stefanie Wind Statistical Analyses for Language Testers, Rita Green
Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar Journal of Applied Measurement Rasch models for measurement, David Andrich Constructing Measures, Mark Wilson Rasch Analysis in the Human Sciences, Boone, Stave, Yale
in Spanish: Análisis de Rasch para todos, Agustín Tristán Mediciones, Posicionamientos y Diagnósticos Competitivos, Juan Ramón Oreja Rodríguez
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Coming Rasch-related Events
April 10-12, 2018, Tues.-Thurs. Rasch Conference: IOMW, New York, NY,
April 13-17, 2018, Fri.-Tues. AERA, New York, NY,
May 22 - 24, 2018, Tues.-Thur. EALTA 2018 pre-conference workshop (Introduction to Rasch measurement using WINSTEPS and FACETS, Thomas Eckes & Frank Weiss-Motz),
May 25 - June 22, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps),
June 27 - 29, 2018, Wed.-Fri. Measurement at the Crossroads: History, philosophy and sociology of measurement, Paris, France.,
June 29 - July 27, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Further Topics (E. Smith, Winsteps),
July 25 - July 27, 2018, Wed.-Fri. Pacific-Rim Objective Measurement Symposium (PROMS), (Preconference workshops July 23-24, 2018) Fudan University, Shanghai, China "Applying Rasch Measurement in Language Assessment and across the Human Sciences"
Aug. 10 - Sept. 7, 2018, Fri.-Fri. On-line workshop: Many-Facet Rasch Measurement (E. Smith, Facets),
Sept. 3 - 6, 2018, Mon.-Thurs. IMEKO World Congress, Belfast, Northern Ireland
Oct. 12 - Nov. 9, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps),



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