EFILE= expected scores on items |
EFILE=filename produces an output file containing the Rasch-model expected score on each item for the measures in the operational range of the set of items.
Subsets of items can be reported by using IDELETE= or ISELECT= from the Specification menu.
; EXPECTED SCORES FOR Knox Cube Test (Best Test Design p.31)
MEASURE SCORE 4 5 14 15 16 17
-7.00 .11 .07 .04 .00 .00 .00 .00
-6.85 .12 .08 .04 .00 .00 .00 .00
-6.70 .14 .09 .05 .00 .00 .00 .00
-6.55 .16 .10 .06 .00 .00 .00 .00
.....
7.70 5.74 1.00 1.00 .98 .92 .92 .92
7.85 5.78 1.00 1.00 .98 .93 .93 .93
8.00 5.81 1.00 1.00 .99 .94 .94 .94
MEASURE -7.00 |
ability measure in logits or user-scaled units (UIMEAN=, USCALE=) |
SCORE .11 |
expected raw score = sum of expected scores on the items |
4, 5, 14, 15, ... |
item entry numbers |
.07, .04, .00, ... |
Rasch-model expected score on the item for the MEASURE |
Example: Reckase Chart of Expected Scores on All Items for All Measures.
Reckase, M. D. (2001). Innovative methods for helping standard-setting participants to perform their task: The role of feedback regarding consistency, accuracy, and impact. In: Gregory J. Cizek (Ed.), Setting performance standards: Concepts methods and perspectives (pp. 159-173). Mahwah, NJ: Erlbaum.
MacCann & Stanley, "Rasch Standard Setting", Practical Assessment Research & Evaluation, 11, 2, 2, Table 1.
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