﻿ Arrangement by Number/Alpha/Measure/Fit/PBS (Asc./Desc.) = N

# Arrangement by Number/Alpha/Measure/Fit/PBS (Asc./Desc.) = mN, fN, N

Arrange= controls the ordering of the elements in the tables of measures: Table 7 and Table 14..

Arrange= Table arrangements. Specifies ordering of elements within tables

Sort order

Ascending

Descending

Arrangements for facets 1, 2, 3, 4, ...

A

a

Element labels (alphabetically)

M

m

Element Measure

F

f

Fit - more extreme of INFIT and OUTFIT (also Z, T)

N

n

Element numbers

P

p

Point-biserial correlation

Arrangements for bias/interaction: use facet 0

M

m

Bias Measure

T

t

t-statistic of bias measure (also F, Z)

N

n

Bias term serial numbers

These letters can be combined to produce many rearranged copies of each report, e.g.,

Arrange = Ma,F

means produce two copies of each report:

for the first copy,

Ma specifies: measure descending (major), alphabetic ascending (minor).

for the second copy

F specifies: fit ascending (major) for the main reports.

t-statistic ascending (major) for the Bias reports.

The rearrangements can be specified to apply only to a particular facet by prefacing that facet's number to its rearrangement instructions. The Bias tables are indicated as facet 0.

Example: "Arrange = 1m,2m,2P,3A,0M,N" means

1m report the elements of facet 1, sorted by measure, descending

2m report the elements of facet 2, sorted by measure, descending

2P report the elements of facet 2, sorted by point-biserial, ascending

3A report the elements of facet 3, sorted alphabetically, ascending

0M report the bias terms, sorted by bias size (measure), ascending

N report all facets, sorted by entry number order, ascending

Parentheses () are optional: Arrange = (1f, 2m, F)

Arrange= by itself suppresses Tables 7 and 14.

For more elaborate sorting and column select, the easiest approach is to copy-and-paste the Measure or Bias/Interaction Table into an Excel worksheet, then use Excel's "Data", "Text to Columns" to put the Facets columns into Excel columns. You can then sort the columns and delete unneeded ones.

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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
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