Mark Wilson's insight-filled book, "Constructing Measures" (2004, Lawrence Erlbaum Assoc.) contains examples and a CD-ROM referencing the ConstructMap (formerly GradeMap) computer program (Wilson, Kennedy and Draney, 2004).
Winsteps and Ministep provide an interface to ConstructMap (formerly GradeMap) which converts Winsteps control and data files into ConstructMap (formerly GradeMap) format.
Here is Winsteps output equivalent to the "Constructing Measures" Figures and ConstructMap (formerly GradeMap) output:
| "Constructing Measures" Figure M. Wilson, 2004 | ConstructMap (formerly GradeMap) Output Wilson, Kennedy & Draney, 2004 |
Winsteps-Ministep Output If a more exact match is needed, please contact Winsteps.com using mail form below |
|---|---|---|
| Fig 1.7 "A student's profile" | Table 19.3 (summarized) | |
| Fig 2.1-7, 5.6, 5.7, 8.1, 9.8 construct maps | Group: Class map Group: Wright map Results: Wright map |
Table 1.0 (individual class map: PSELECT= for subsets) Table 12.6 Thurstonian thresholds |
| Fig 3.2 item report | No direct equivalent, but Tables 13.1, 11.1 and 22.2 contribute | |
| Fig 4.9 Guttman scalogram | Table 22.1 | |
| Fig 5.1, 6.7 Empirical item characteristic curves | Table 29.1 and ICCs on Graphs menu. (Fig 5.1 Anchor age as rescaled logits using PAFILE= and UASCALE=) | |
| Fig 5.3-5, 5.8, 6.3 Model item characteristic curves | Results: Item characteristic curves | Table 21.1 and Probability curves on Graphs menu. |
| Fig 5.9 Cumulative category response functions | Results: Item cumulative probability curves | Table 21.3 and cumulative probabilities on Graphs menu. |
| Fig 5.10 Wright Map for trichotomy | Table 1.4 | |
| Fig 6.4 crossing IRFs | Approximate by comparing empirical ICCs on the Graphs menu and Table 29. | |
| Fig 6.5 Wright Map for trichotomy with raw scores | Table 1.4 with Table 20 | |
| Fig 6.6 Fit results | Results: Item estimates and fit graph | Table 14.2, 14.1 |
| Fig 6.8 Kidmaps | Table 18.3 has equivalent information | |
| Fig 7.1 Measure standard error | Table 20. Plot errors against measures | |
| Fig 7.2 Test information function | Test Information on Graph Menu | |
| Fig 8.2 Estimates of 2nd thresholds | ISFILE= | |
| Table 8.1 item statistics | Table 14.1, 14. | |
| Fig 8.3, 8.4 Item DIF, Table 8A.2 | Table 30, but uses a different method | |
| Fig 9.1 Progress chart | Individual: Performance Map Individual: Activity Averaging Map |
Produce person measures on joint calibration using MFORMS=. Anchor items and rating scale structures IAFILE= and SAFILE=. Estimate measures on individual tests or subtests (ISELECT=). Send measures to EXCEL (PFILE=). Plot. (Can be automated with Winsteps BATCH mode) |
| Fig 9.2 Kidmap | Individual: Profile Map Individual: Activity Averaging Map Individual: Item Tracking Map Individual: Kid Map Individual: Graphical Kid Map |
Table 17.3 has equivalent information |
|
Group: Brief ability estimates report Results: Full ability estimates report |
Table 18, 3.1 | |
| Group: Correlation report | No direct equivalent: use Excel | |
| Individual: Student responses report | XFILE= and Tables 7.1, 17.3 | |
| Results: Classical item statistics Results: Item fit graph by parameters Results: Item fit graph by items |
Tables 14.1, 14.2, 14.3, 3.1, 3.2 |
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