OSORT= category/option/distractor sort = S, score value order

Specifies the order in which categories, options and distractors are listed within items in the Item Category/Option/Distractor Tables, such as Table 13.3

 

OSORT = D  Options within items are listed in their Data order in CODES= (the standard).

OSORT = S or V or " " Score or Value: Options are listed in their Score Value order.

OSORT = A or M Average or Measure: Options are listed in their Average Measure order.

 

Example: List distractors in original CODES= order:

 OSORT=D

 CODES=000102

 XWIDE=2

 

         ACTS CATEGORY/OPTION/Distractor FREQUENCIES:  MISFIT ORDER

+-----------------------------------------------------------------------------+

|ENTRY   DATA  SCORE |     DATA   | AVERAGE  S.E.  OUTF|                      |

|NUMBER  CODE  VALUE |  COUNT   % | MEASURE  MEAN  MNSQ| ACT                  |

|--------------------+------------+--------------------+----------------------|

|   23 A 00        0 |     44  59 |    9.57  1.37  1.7 |WATCH A RAT           | 00 dislike

|        01        1 |     20  27 |   10.35  3.79  2.4 |                      | 01 neutral

|        02        2 |     11  15 |    8.92  6.48  7.6 |                      | 02 like

|        MISSING *** |      1   1 |                    |                      |

|                    |            |                    |                      |

|    5 B 00        0 |     47  63 |    9.57  1.48  1.8 |FIND BOTTLES AND CANS | 00 dislike

|        01        1 |     19  25 |    8.34  3.45  2.9 |                      | 01 neutral

|        02        2 |      9  12 |   13.14  8.10  6.1 |                      | 02 like

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Rasch Books and Publications
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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
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