Table 6.5 Person most-unexpected observations

Table 6.5 displays the person response strings with the most-unexpected responses.


MOST UNEXPECTED RESPONSES                               

PUPIL                     MEASURE  |ACT                 

                                   |1111112 122 1    22 



   41 FATALE, NATASHA        4.77  |..................1.

   17 SCHATTNER, GAIL        3.55  |...................0

   71 STOLLER, DAVE           .96 B|.0.10....0.......222

   53 SABOL, ANDREW         -1.59 L|..............1....1



                                   |8920311 542 6    03 


In this Table, the persons (rows) are sorted by measure, descending.


The items (columns) are sorted by measure. The easiest item (highest-scoring) is on the left. The item entry-numbers are in each column (vertically). In the Figure, the first is item 18. The items shown are those with the most-unexpected responses. UCOUNT= sets the maximum number of items to report. LINELENGTH= controls the width of the table. "high" indicates where we expect to see high observations. "low" indicates where we expect to see low observations. Expected observations are replaced by ".'.


Each row contains:

Person entry number

Person label

Person measure

Person letter (A-Z) in the plot in Tables 4 and 5.

The responses to the items:

0, 1, 2 and numeric values

Scored unexpected-responses

Expected responses, standardized residuals < |2|


Missing data

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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
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