Specification format for Facets

Each specification is of the form:

Specification = Value

Specifications have particular meanings to Facets,

e.g., Title= specifies the heading line for the report tables.

Value is what you assign to the specification, e.g., Knox Cube Test

Thus, to title your Facets report Knox Cube Test, specify

Title = Knox Cube Test

 

Syntax Rules:

Refer to these if you can't get your specifications to work:

a. Each specification goes on a separate line in the specification file.

b. Only the first one or two letters of each specification line matter. Title= or Titel= or T= all mean the same thing. Just enough letters are needed to identify the specification uniquely.

c. Upper or lower case letters are treated the same in defining specifications. Title= or title= mean the same thing.

d. Whatever follows a semi-colon ";" is ignored as a comment.

e. Blank lines are ignored, also ASCII 160 (hex A0) codes.

f. Leading and trailing blanks around any value are ignored. "3,Mary,2.3,1" is the same as "  3 , Mary, 2.3,  1"

g. Equal signs, "=", and commas, "," are separators which can be used interchangeably.

h. Each line must terminate with carriage return+line feed, (the standard option for printed or DOS text files). If using a word processor to prepare your specifications or data, be sure to output the files in DOS or ASCII format.

i. Facets= instruction should precede any other instructions that contain facet numbers.

 

Code

Action

= , tabs

separators

blanks

ignored, but can act as separators in data lines

;

comments - ignored

;;

comments - ignored but listed in output file.

 

Values in control specifications can be separated by commas "," or equal signs "=" or tabs (ASCII 9 codes), so that these control instructions have the same meaning:

positive = 1,2,3,4 ; blanks around values are ignored.

positive = 1=2=3=4

positive , 1 , 2 , 3 , 4

positive = 1 2 3 4 ; these numbers are separated by Tab codes


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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
Jan. 5 - Feb. 2, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com
Jan. 10-16, 2018, Wed.-Tues. In-person workshop: Advanced Course in Rasch Measurement Theory and the application of RUMM2030, Perth, Australia (D. Andrich), Announcement
Jan. 17-19, 2018, Wed.-Fri. Rasch Conference: Seventh International Conference on Probabilistic Models for Measurement, Matilda Bay Club, Perth, Australia, Website
Jan. 22-24, 2018, Mon-Wed. In-person workshop: Rasch Measurement for Everybody en español (A. Tristan, Winsteps), San Luis Potosi, Mexico. www.ieia.com.mx
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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