Control Variables by function

Data file layout:

DATA=

name of data file

DELIMITER=

delimiter of input response data fields

FORMAT=

reformat data

ILFILE=

item label file

INUMB=

label items by sequence number

ITEM1=

column number of first response

ITLEN=

maximum length of item label

MFORMS=

reformatting input records & multiple forms

NAME1=

first column of person label

NAMLEN=

length of person label

NI=

number of items

SEPARATOR=

delimiter of input response data fields

XWIDE=

columns per response

@FIELD=

user-defined field locations


Data selection and recoding:

ALPHANUM=

alphabetic numbering to exceed 9 with XWIDE=1

CODES=

valid & missing data codes

CUTHI=

cut off responses with high expectations

CUTLO=

cut off responses with low expectations

EDFILE=

edit data file

IREFER=

identifying items for recoding

IVALUEx=

recoding for items

IWEIGHT=

item (variable) weighting

KEYn=

scoring key

KEYFROM=

location of KEYn=

KEYSCR=

reassign scoring keys

MAKEKEY=

construct an MCQ scoring key

MISSCORE=

scored value of missing data: not your missing-data code

NEWSCORE=

recoding values

PWEIGHT=

person (case) weighting

RESCORE=

response recoding

RESFRM=

location of RESCORE=

 

Items: deleting, anchoring and selecting:

IAFILE=

item anchor file

IANCHQU=

anchor items interactively

IDELETE=

one-line item deletion list

IDELQU=

delete items interactively

IDFILE=

item deletion file

IDROPEXTR=

remove items with extreme scores

ISELECT=

item selection criterion

 

Person: deleting, anchoring and selecting:

PAFILE=

person anchor file

PANCHQU=

anchor persons interactively

PDELETE=

one-line person deletion list

PDELQU=

delete persons interactively

PDFILE=

person deletion file

PDROPEXTR=

remove persons with extreme scores

PSELECT=

person selection criterion

 

Rating scales, partial credit items and polytomous response structures:

GROUPS=

assigns items to rating scale or partial credit groupings (same as ISGROUPS=)

GRPFROM=

location of ISGROUPS=

ISGROUPS=

assigns items to rating scale or partial credit groupings (same as GROUPS=)

MODELS=

assigns model types to items

MODFROM=

location of MODELS=

STKEEP=

keep non-observed categories in structure

 

Category structure: anchoring, labeling, deleting:

CFILE=

scored category label file

CLFILE=

codes label file

SAFILE=

structure anchor file

SAITEM=

multiple ISGROUPS= format in SFILE= & SAFILE=

SANCHQU=

anchor structure interactively

SDELQU=

delete structure interactively

SDFILE=

structure deletion file

 

Measure origin, anchoring and user-scaling:

UAMOVE=

amount to increase anchor values

UANCHOR=

anchor values in user-scaled units (only for backward compatibility)

UASCALE=

anchor user-scaled value for 1 logit

UDECIMALS=

number of decimal places reported

UEXTREME=

include extreme scores for UIMEAN= or UPMEAN= = No

UIMEAN=

reported user-set mean of item measures

UMEAN=

reported user-set mean of item measures

UPMEAN=

reported user-set mean of person measures

USCALE=

reported user-scaled value for 1 logit

 

Output table selection and format:

ASCII=

output only ASCII characters

FORMFD=

form-feed character

HEADER=

display or suppress Sub-Table Headings after the first

ITEM=

title for item labels

LINELENGTH=

length of printed lines

MAXPAGE=

maximum number of lines per page

PERSON=

title for person labels

TABLES=

output table selection

TFILE=

input file of table numbers to be output

TITLE=

title for output listing

TOTALSCORE=

show total observed score and count

WEBFONT=

font to display using ASCII=Webpage

 

Output tables, files and graphs: specific controls

ASYMPTOTE=

report estimates of upper and lower asymptotes

BOXSHOW=

display border boxes around columns of numbers in tables

BYITEM=

show empirical curves for items

CATREF=

reference category: Table 2

CHART=

graphical plots of measures

CMATRIX=

category matrix in Table 3.2, etc.

CURVES=

probability curve selection: Tables 21, 2

DISCRIM=

display item discrimination estimates

DISTRT=

output category/distractor/option counts

EQFILE=

code equivalences

FITHIGH=

lower bar in charts

FITI=

item misfit criterion

FITLOW=

lower bar in charts

FITP=

person misfit criterion

FRANGE=

half-range of fit statistics on plots

HIADJ=

correction for top categories

IMAP=

item label for item maps

IPEXTREME=

placement of extreme scores on maps

ISORT=

sort column in item label

ISUBTOTAL=

subtotal items by specified columns

LOWADJ=

correction for bottom categories

MNSQ=

show mean-square or t standardized fit

MATRIX=

correlation output format

MRANGE=

half-range of measures on plots

MTICK=

measure distance between tick-marks on plots in Tables

NAMLMP=

label length on maps

OSORT=

category/option/distractor sorted by score, count or measure

OUTFIT=

sort misfits on outfit or infit

PMAP=

person label for person maps

PSORT=

sort column in person label

PSUBTOTAL=

subtotal persons by specified columns

PVALUE=

report item proportion-correct-values or average ratings

STEPT3=

structure summary in Table 3 or 21

T1I#=

items per # in Table 1

T1P#=

persons per # in Table 1

T7OPTIONS=

selects Table 7.1 and 11.1 detail lines

TRPOTYPE=

transposed file type

UCOUNT=

most unexpected responses in Tables 6 and 10.

W300=

produce IFILE= and PFILE= in 3.00 format

 

Output file format control:

CSV=

comma-separated values in output files

HLINES=

heading lines in output files

QUOTED=

quote-marks around labels

 

Estimation, operation and convergence control:

ANCESTIM=

Special alternative estimation method for anchored analyses

CONVERGE=

select convergence criteria

EXTRSCORE=

extreme score adjustment

LCONV=

logit change at convergence

LOCAL=

locally restandardize fit statistics

MJMLE=

maximum number of JMLE iterations

MPROX=

maximum number of PROX iterations

MUCON=

maximum number of JMLE iterations

NORMAL=

normal distribution for standardizing fit

PAIRED=

correction for paired comparison data

PTBISERIAL=

compute point-biserial correlations

RCONV=

score residual at convergence

REALSE=

inflate S.E. of measures for misfit

STBIAS=

correct for estimation bias

TARGET=

information-weighted estimation

WHEXACT=

Wilson-Hilferty exact normalization

 

Program operation:

BATCH=

set batch mode

FSHOW=

show files created from control file

MAKEKEY=

construct an MCQ scoring key

SPFILE=

supplemental control file

&END

end of control variable list

&INST

start of control variable list (ignored)

END LABELS

end of item label list


Secondary (post-hoc) processing

DIF=

person label columns for DIF

DPF=

item label columns for DPF

G0ZONE=

percent of 0's within 0-zone among which all 1's are turned to 0's

G1ZONE=

percent of 1's within 1-zone among which all 0's are turned to 1's

PRCOMP=

residual type for principal components/contrast analysis

SICOMPLETE=

simulate complete data

SIEXTREME=

simulate extreme scores = Yes

SINUMBER=

number of simulated data files = 1

SVDDEPTH=

singular-value decomposition levels

SVDMAX=

singular-value decomposition maximum change

SVDTYPE=

singular-value decomposition residual type

 

Output files

Control variable file

control variable listing (same as Table 32)

AGREEFILE=

paired-person agreement counts

DISFILE=

category/distractor/response option count file

EFILE=

expected scores on the items

GRFILE=

graphing file for probability curves

GUFILE=

Guttmanized file of responses

ICORFILE=

inter-item residual correlations

IFILE=

item output file

IPMATRIX=

response matrix - only from Output Files menu

ISFILE=

item-structure output file (Do not use for anchoring)

OFILE=

change report output file

PCORFIL=

inter-person residual correlations

PFILE=

person output file

RFILE=

scored response output file

SCOREFILE=

score-to-measure file

SFILE=

structure-threshold output file (Use for anchoring)

SIFILE=

simulated data file

SVDFILE=

singular-value decomposition file

TCCFILE=

Test Characteristic Curve and Test Information Function

TRPOFILE=

transposed file

XFILE=

analyzed response file



ConstructMap

ConstructMap (formerly GradeMap) files - only from Output Files menu



KEYFORM=

Keyform skeleton for Excel plot - see Plots menu

LOGFILE=

accumulates control files - only in the Control file


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

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

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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
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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