Output results/anchors/residuals =

The output file name can be entered at the prompt when Facets starts, or be entered as part of the specification file.


The name of the file that will contain the main results of the analysis is the first entry. This is the name of file into which output is written, e.g.,

Output = results.txt


An output file name given on the DOS command line supersedes the results file name given here, e.g, C:>FACETS SPECS.txt OUTPUT.txt, causes output to go to OUTPUT.txt rather than RESULTSOUT.txt. If two files names are given on the DOS line, they are output and anchor files, three names are the output, anchor and residual files.


The anchor output file name for a file of anchoring values is the second entry (or specified with Anchorfile=. Whenever a file name is given, then Facets writes out a new specification file containing the input specifications for this analysis. This file omits any specifications entered on the DOS command line, but includes the final estimated measures for all elements and scales. This file also has all estimated measures marked as ",A" for "anchored".


These anchor values can be used as starting values for slightly different later runs. Edit the ",A"'s out of the first line of each facet in the Labels= specifications and out of the category lines of Rating scale=.


The residual output file name for a file of observations, their expected values and their residuals is the third entry, or specified with Residualfile=. Whenever a file name is given, the standardized residuals for all the data points will be written to it.


Example 1: A file of anchor values is to be produced to be used in an equating study. This file is to be named "Anchor.txt":

Output = Results.txt,Anchor.txt


Outputfile = Results.txt

Anchorfile = Anchor.txt


C:>Facets SPECS.txt Results.txt Anchor.txt


Example 2: A file of residual values is needed for fit analysis, but no anchored file is wanted.

Output = Results.txt, ,Residual.txt ; Note: ", ," means no anchor output file


Outputfile = Results.txt

Residualfile = Residual.txt

Help for Facets Rasch Measurement Software: www.winsteps.com Author: John Michael Linacre.

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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
Winsteps Tutorials Facets Tutorials Rasch Discussion Groups


Coming Rasch-related Events
April 10-12, 2018, Tues.-Thurs. Rasch Conference: IOMW, New York, NY, www.iomw.org
April 13-17, 2018, Fri.-Tues. AERA, New York, NY, www.aera.net
May 22 - 24, 2018, Tues.-Thur. EALTA 2018 pre-conference workshop (Introduction to Rasch measurement using WINSTEPS and FACETS, Thomas Eckes & Frank Weiss-Motz), https://ealta2018.testdaf.de
May 25 - June 22, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com
June 27 - 29, 2018, Wed.-Fri. Measurement at the Crossroads: History, philosophy and sociology of measurement, Paris, France., https://measurement2018.sciencesconf.org
June 29 - July 27, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Further Topics (E. Smith, Winsteps), www.statistics.com
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" www.promsociety.org
Aug. 10 - Sept. 7, 2018, Fri.-Fri. On-line workshop: Many-Facet Rasch Measurement (E. Smith, Facets), www.statistics.com
Sept. 3 - 6, 2018, Mon.-Thurs. IMEKO World Congress, Belfast, Northern Ireland www.imeko2018.org
Oct. 12 - Nov. 9, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com


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