Output file specifications

Output files can be written in several formats, and called with different programs, so a dialog box is shown when output files are requested from the Output Files menu:

 

Dialog box for most output files

Dialog box for SIFILE=

 

Output File Type:

output file formats are shown here.

Display file?

check (tick) if the output file is to be displayed by the relevant program.

Select fields + other options

IFILE=/PFILE= field selection

Text Editor

Output is a .txt file. If Display file? is checked, then the file is automatically displayed by Notepad or your own text editor.

Column headings

check to produce column headings in the output file

Text: space-separated: fixed field

output file is organized in columns. This is usually easiest to look at.

Text: tab-delimited

columns are separated by Tab characters, which is useful for importing into modern software

Text: comma-separated fields

columns are separated by commas or other characters equivalents, which may  be required for importing into software

Separator character

character to use instead of , for comma-separated fields

Labels in "quotation marks"

place non-numeric values within quotation marks, required for correct importing of data into some software.

Text: for scatter-plots

Chooses default settings for the IFILE= or PFILE=, suitable for scatter-plotting. These can be overridden using Select fields

Excel

Output is a .xls file. Excel must be installed on your computer.

 

If Display file? is checked, then Excel is also activated on the Windows task bar, and the file may display. This message is in the Analysis Window:

"Excel will activate soon. Please continue ..."

 

If the Excel file does not display, but you want it to, then please change the Windows Registry (at your own risk):

a.Windows: Start >> Run >> regedit

b.Navigate to the following path:   HKEY_CURRENT_USER\Control Panel\Desktop

c.Modify the value named ForegroundLockTimeout to 0
If ForegroundLockTimeout does not exist, then create ForegroundLockTimeout with DWORD value 0

 

Do you want numerical person and item labels to become numbers (not text) in Excel? Then check "Convert numerical labels to numbers", see EXCELNUMBER=Yes

Select decimal points or decimal commas for your Excel numbers, see EXCELDECIMAL=

Column headings

check to produce column headings in row 1 of the Excel worksheet.

R-Statistics

Output is an R Statistics .rdata file. If Display file? is checked, then the file is automatically displayed by RGui (if available). If this malfunctions, check that the path to R is correct with Edit Initial Settings.

When the RGui window opens, type > print(data) # data is the name of a data.frame

Descriptive statistics

This produces descriptive summary statistics for the R Statistics file using the "describe" function of the R Statistics "psych" package (courtesy of William Revelle).

Example:

"data" IFILE data frame:

         vars  n   mean     sd median trimmed    mad     min     max  range

MEASURE     2 18 -0.757  4.386 -1.960  -0.823  6.012  -6.590   6.130 12.720

           skew kurtosis    se  Q0.25  Q0.75

MEASURE   0.145   -1.578 1.034 -3.830  3.087

 

Statistics are:

MEASURE

vars

n

mean

sd

median

trimmed

mad

min

max

range

skew

kurtosis

se

Q0.25

Q0.75

variable name

variable number

number of valid cases

mean

standard deviation

median (standard or interpolated

trimmed mean (with trim defaulting to .1)

median absolute deviation pseudo-S.D.

minimum

maximum

range

skew

kurtosis

standard error

lower inter-quartile

upper inter-quartile

The median and the "mad", the mean of their absolute deviation from the median, multiplied by 1.4826, giving a "mad" value equivalent to an S.D. (Huber, 1981). For application, see "A Robust Method for Detecting Item Misfit in Large Scale Assessments" (2021) M. von Davier & U. Bezirhan

SPSS

Output is a .sav file. If Display file? is checked, then the file is automatically displayed by SPSS (if available). If this malfunctions, check that the path to SPSS is correct with Edit Initial Settings.

Web page (HTML)

Output is a .htm file.  If Display file? is checked, then the file is automatically displayed by your Internet browser.

Sortable Web page (HTML)

File output is a webpage with sortable columns

Word Doc (HTML)

Output is a .htm file.  If Display file? is checked, then the file is automatically displayed by Microsoft Word as a .doc

IADD=Y add item measures for GRFILE=

Displayed only for GRFILE= graph file output. When checked, add the item difficulty to the measures shown in GRFILE=. Same as IADD=Yes.

File status:

Temporary file: automatic file name

the file will be deleted when Winsteps terminates. "Save as" to make the file permanent.

Permanent file: request file name

the file will not be deleted when Winsteps terminates. Type in the filename of your choice when Winsteps requests it

Buttons:

OK

Perform the indicated actions

Cancel

Return to Winsteps processing

Help

Display this documentation

Set as default

Make the select actions the permanent selections


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

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Rasch Books and Publications
Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, 2nd Edn, 2024 George Engelhard, Jr. & Jue Wang Applying the Rasch Model (Winsteps, Facets) 4th Ed., Bond, Yan, Heene Advances in Rasch Analyses in the Human Sciences (Winsteps, Facets) 1st Ed., Boone, Staver Advances in Applications of Rasch Measurement in Science Education, X. Liu & W. J. Boone Rasch Analysis in the Human Sciences (Winsteps) Boone, Staver, Yale
Introduction to Many-Facet Rasch Measurement (Facets), Thomas Eckes Statistical Analyses for Language Testers (Facets), Rita Green Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments (Facets), George Engelhard, Jr. & Stefanie Wind Aplicação do Modelo de Rasch (Português), de Bond, Trevor G., Fox, Christine M Appliquer le modèle de Rasch: Défis et pistes de solution (Winsteps) E. Dionne, S. Béland
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Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch Rasch Models for Measurement, David Andrich Constructing Measures, Mark Wilson Best Test Design - free, Wright & Stone
Rating Scale Analysis - free, Wright & Masters
Virtual Standard Setting: Setting Cut Scores, Charalambos Kollias Diseño de Mejores Pruebas - free, Spanish Best Test Design A Course in Rasch Measurement Theory, Andrich, Marais Rasch Models in Health, Christensen, Kreiner, Mesba Multivariate and Mixture Distribution Rasch Models, von Davier, Carstensen
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