EFILE= expected scores on items

EFILE= expected scores on items

EFILE=filename produces an output file containing the Rasch-model expected score on each item for the measures in the operational range of the set of items.

 

Subsets of items can be reported by using IDELETE= or ISELECT= from the Specification menu.

 

Options using ETYPE=

 

ETYPE=E

Expected score on the item for the ability measure according to the Rasch model

ETYPE=P

Most probable category on the item for the ability measure according to the Rasch model. If more than one category, then middle or immediately higher category is shown.

ETYPE=T

Thurstone category on the item for the ability measure according to the Rasch model. If more than one category, then middle or immediately higher category is shown.

 

Example 1: ETYPE=E with dichotomous 0-1 items.

 

; EXPECTED SCORES FOR Knox Cube Test (Best Test Design p.31)

MEASURE  SCORE      4      5     14     15     16     17

  -7.00    .11    .07    .04    .00    .00    .00    .00

  -6.85    .12    .08    .04    .00    .00    .00    .00

  -6.70    .14    .09    .05    .00    .00    .00    .00

  -6.55    .16    .10    .06    .00    .00    .00    .00

.....

   7.70   5.74   1.00   1.00    .98    .92    .92    .92

   7.85   5.78   1.00   1.00    .98    .93    .93    .93

   8.00   5.81   1.00   1.00    .99    .94    .94    .94

 

MEASURE -7.00

ability measure in logits or user-scaled units (UIMEAN=, USCALE=)

SCORE .11

expected raw score = sum of expected scores on the items with item weighting if IWEIGHT=

4, 5, 14, 15,  ...

item entry numbers

.07, .04, .00, ...

Rasch-model expected score or category on the item for the MEASURE

 

Example 2: Reckase Chart of Expected Scores on All Items for All Measures.

Reckase, M. D.  (2001). Innovative methods for helping standard-setting participants to perform  their  task:  The  role  of  feedback  regarding  consistency,  accuracy,  and impact.  In: Gregory J. Cizek (Ed.), Setting performance standards: Concepts methods and perspectives  (pp. 159-173).  Mahwah, NJ: Erlbaum.

MacCann & Stanley, "Rasch Standard Setting", Practical Assessment Research & Evaluation, 11, 2,  2, Table 1.


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

Now in progress: The Batchelor - Australia - 2018: Rasch Measurement of Romance

Facets Rasch measurement software. Buy for $149. & site licenses. Freeware student/evaluation download
Winsteps Rasch measurement software. Buy for $149. & site licenses. Freeware student/evaluation download

State-of-the-art : single-user and site licenses : free student/evaluation versions : download immediately : instructional PDFs : user forum : assistance by email : bugs fixed fast : free update eligibility : backwards compatible : money back if not satisfied
 
Rasch, Winsteps, Facets online Tutorials

Forum Rasch Measurement Forum to discuss any Rasch-related topic

To receive News Emails about Winsteps and Facets by subscribing to the Winsteps.com email list,
enter your email address here:

I want to Subscribe: & click below
I want to Unsubscribe: & click below

Please set your SPAM filter to accept emails from Winsteps.com
The Winsteps.com email list is only used to email information about Winsteps, Facets and associated Rasch Measurement activities. Your email address is not shared with third-parties. Every email sent from the list includes the option to unsubscribe.

Questions, Suggestions? Want to update Winsteps or Facets? Please email Mike Linacre, author of Winsteps mike@winsteps.com

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 Winsteps & Facets Events
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
Oct. 12 - Nov. 9, 2018, Fri.-Fri. On-line workshop: Practical Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com
Oct. 24 - 26, 2018,Wed.-Fri. Rasch workshop at Midwest Educational Research Association Annual Meeting, Cincinatti, Ohio (W. Boone, Winsteps), boonewjd@gmail.com

 

 

Our current URL is www.winsteps.com

Winsteps® is a registered trademark
 


 
John "Mike" L.'s Wellness Report: My wife loves the "Activate" 3-day detox. She can eat her usual food while energizing her body!