Table Of ContentNew Mexico Standards Based Assessment (NMSBA)
Technical Report: 2006 Spring Administration
Psychometric and Research Services
Harcourt Assessment, Inc.
San Antonio, TX
Forward
The 2006 New Mexico Standard Based Assessment (NMSBA) Technical Report provides
summaries and documentation of the development, scoring, and psychometric activities for
Mathematics, Reading, and Science in 2006 Spring Administration.
This report was prepared by Dr. Gerald W. Griph, Senior Psychometrician. Ms. Holly Zhang,
Senior Statistical Analyst provided invaluable assistance with the statistical analyses.
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Table of Contents
1.Introduction.................................................................................................................................12
2. Test Development......................................................................................................................13
2.1 Test Design......................................................................................................................14
2.2 Item Development............................................................................................................16
2.3 Field Test and Item Analysis...........................................................................................18
2.4 Data Review and Item Selection for Operational Use.....................................................22
3. Scoring Procedures.....................................................................................................................25
3.1 Processing for Student Documents..................................................................................25
3.2 Scoring Constructed Response Items...............................................................................28
4. Calibration, Scaling, and Equating Procedures..........................................................................34
4.1 Introduction......................................................................................................................34
4.2 IRT Calibration Model and Equating..............................................................................34
4.2 Developing the Vertical Scale.........................................................................................39
4.3 Final Reporting Scale Results..........................................................................................40
5. Standard Setting.........................................................................................................................43
5.1 Standard Setting Procedures............................................................................................43
5.2 Smoothing procedures and Final Results.........................................................................45
6. Reliability...................................................................................................................................51
6.1 Coefficient Alpha and CTT SEM....................................................................................51
6.2 IRT Conditional SEMs....................................................................................................54
6.3 Decision Consistency and Accuracy................................................................................54
6.4 Interrater Reliability.........................................................................................................60
7. Validity.......................................................................................................................................64
7.1 Internal Structure Evidence..............................................................................................64
7.2 External Validity Evidence..............................................................................................74
References......................................................................................................................................76
Appendix A. Item Number and Score Points for Standards and Benchmarks...............................78
Appendix B. Raw Score, Scale Score, and IRT SEM....................................................................88
Appendix C. Raw Score and Scale Score Frequency Tables.......................................................160
Appendix D. Performance Level Percentages by Subgroups.......................................................229
Appendix E. Interrater Reliability (Agreement)..........................................................................254
Appendix F. Item statistics and IRT Item Location Parameter (Rasch Difficulty) Estimates with Item
Fit Measures.................................................................................................................................268
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List of Figures & Tables
Figure 2.1 Schematic of the 2006 NMSBA..................................................................................13
Figure 2.2 Overview of test development process.....................................................................14
Table 2.1-1 Summary of Number of items and Points for NMSBA English Test.....................15
Table 2.1-2 Summary of Number of Items and Points for NMSBA Spanish Test...................16
Table 2.3-1 2 × T Contingency Table at thekthlevel................................................................20
Table 2.3-3 DIF Classification for MC Items.............................................................................22
Table 4.2-1 Criteria to Evaluate Mean-Square Fit Statistics....................................................36
Table 4.1-2 Average and Standard Deviation of Item Fit Statistics.........................................37
Table 4.1-3 Item Fit Classification Frequencies for NMSBA English Test..............................38
Table 4.1-4 Item Fit Classification Frequencies for NMSBA Spanish Test.............................39
Table 4.3-1 Scale Score Summary for NMSBA English Test (Non-BIA Schools)....................40
Table 4.3-2 Scale Score Summary for NMSBA Spanish Test....................................................41
Table 4.3-3 Scale Score Summary for NMSBA English Test (BIA Schools).............................42
Figure 5.1-1. Performance Levels and Cut Scores.......................................................................43
Table 5.2-1 Performance Level Scale Score Intervals for NMSBA English Test......................45
Table 5.2-2 Performance Level Scale Score Intervals for NMSBA Spanish Test.....................46
Table 5.2-3 Percentages at Each Performance Level (NMSBA English Test, non-BIA schools)47
Table 5.2-4 Percentages at Each Performance Level (NMSBA English Test, BIA schools)...48
Table 5.2-5 Percentages at Each Performance Levels (NMSBA Spanish Test, All schools [no non-
BIA schools]).................................................................................................................................49
Table 6.1-1 Coefficient Alpha, CTT Standard Error of Measurement, and Raw Score Summary for
NMSBA English Test (Non-BIA Schools)..................................................................................52
Figure 6.3-1. Classification Accuracy..........................................................................................56
Figure 6.3-2. Classification Consistency....................................................................................56
Table 6.3-1 Classification Accuracy for NMSBA English Test (Percentage)...........................57
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Table 6.3-2 Classification Consistency for NMSBA English Test (Percentage).....................58
Table 6.3-3 Classification Accuracy for NMSBA Spanish Test (Percentage)..........................59
Table 6.3-4 Classification Consistency for NMSBA Spanish Test (Percentage)....................60
Figure 6.4-1 Interrater Agreement Indices for an Open-Ended Item.......................................61
Table 6.4-1 Summary of Interrater Reliabilities for NMSBA English Test..............................62
Table 7.1-1 Eigenvalues for First and Second Principle Components and Ratio.....................66
Table 7.1-2 Summary of the item-total correlations..................................................................67
Table 7.1-3 Reporting Category Correlations for English Mathematics..................................68
Table 7.1-4 Reporting Category Correlations for English Reading..........................................69
Table 7.1-5 Reporting Category Correlations for English Science...........................................70
Table 7.1-6 Reporting Category Correlations for Spanish Mathematics.................................71
Table 7.1-7 Reporting Category Correlations for Spanish Reading.........................................72
Table 7.1-8 Reporting Category Correlations for Spanish Science...........................................73
Table 7.2-1 Correlations Among the Content Areas..................................................................75
Table A.1.1 English Mathematics Items & Points by Standard/Benchmark (Grades 3-5).....78
Table A.1.2 English Mathematics Items & Points by Standard/Benchmark (Grades 6-8)....79
Table A.1.3 English Mathematics Items & Points by Standard/Benchmark (Grade 9)..........80
Table A.2.1 English Reading Items & Points by Standard/Benchmark (Grades 3-6).............80
Table A.2.2 English Reading Items & Points by Standard/Benchmark (Grades 7-9)............81
Table A.3.1 English Science Items & Points by Standard/Benchmark (Grades 3-6)..............81
Table A.3.2 English Science Items & Points by Standard/Benchmark (Grades 7-9)..............82
Table A.4.1 Spanish Mathematics Items & Points by Standard/Benchmark (Grades 3-5)....83
Table A.4.2 Spanish Mathematics Items & Points by Standard/Benchmark (Grades 6-8)...84
Table A.4.3 Spanish Mathematics Items & Points by Standard/Benchmark (Grade 9)........85
Table A.5.1 Spanish Reading Items & Points by Standard/Benchmark (Grades 3-6)............85
Table A.5.2 Spanish Reading Items & Points by Standard/Benchmark (Grades 7-9)...........86
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Table A.6.1 Spanish Science Items & Points by Standard/Benchmark (Grades 3-6).............86
Table A.6.2 Spanish Science Items & Points by Standard/Benchmark (Grades 7-9).............87
Table B.1 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 3 Math)...88
Table B.2 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 4 Math)..89
Table B.3 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 5 Math)...91
Table B.4 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 6 Math)..93
Table B.5 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 7 Math)...95
Table B.6 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 8 Math)..97
Table B.7 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 9 Math)...99
Table B.8 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 3 Reading)101
Table B.9 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 4 Reading)103
Table B.10 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 5 Reading)105
Table B.11 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 6 Reading)106
Table B.12 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 7 Reading)108
Table B.13 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 8 Reading)109
Table B.14 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 9 Reading)111
Table B.15 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 3 Science)113
Table B.16 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 4 Science)114
Table B.17 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 5 Science)116
Table B.18 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 6 Science)117
Table B.19 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 7 Science)119
Table B.20 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 8 Science)120
Table B.21 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (English Grade 9 Science)122
Table B.22 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 3 Math)124
Table B.23 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 4 Math)125
Table B.24 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 5 Math)127
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Table B.25 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 6 Math)129
Table B.26 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 7 Math)131
Table B.27 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 8 Math)133
Table B.28 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 9 Math)135
Table B.29 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 3 Reading)
......................................................................................................................................................137
Table B.30 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 4 Reading)
......................................................................................................................................................139
Table B.31 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 5 Reading)141
Table B.32 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 6 Reading)
......................................................................................................................................................142
Table B.33 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 7 Reading) 144
Table B.34 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 8 Reading)
......................................................................................................................................................146
Table B.35 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 9 Reading)
......................................................................................................................................................147
Table B.36 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 3 Science)149
Table B.37 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 4 Science)151
Table B.38 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 5 Science)152
Table B.39 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 6 Science)154
Table B.40 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 7 Science)155
Table B.41 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 8 Science)156
Table B.42 Raw Score, Scale Score, SEM, and Scale Score ± 1 SEM (Spanish Grade 9 Science)158
Table C.1 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 3 Math).....160
Table C.2 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 4 Math)....161
Table C.3 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 5 Math)....163
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Table C.4 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 6 Math)....165
Table C.5 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 7 Math)....167
Table C.6 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 8 Math)....169
Table C.7 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 9 Math)....171
Table C.8 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 3 Reading)173
Table C.9 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 4 Reading)174
Table C.10 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 5 Reading)176
Table C.11 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 6 Reading)177
Table C.12 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 7 Reading)179
Table C.13 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 8 Reading)181
Table C.14 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 9 Reading)182
Table C.15 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 3 Science)184
Table C.16 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 4 Science)185
Table C.17 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 5 Science)187
Table C.18 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 6 Science)188
Table C.19 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 7 Science)189
Table C.20 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 8 Science)191
Table C.21 Raw/Scale Score Simple & Cumulative Frequencies (English Grade 9 Science)192
Table C.22 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 3 Math).194
Table C.23 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 4 Math).196
Table C.24 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 5 Math).197
Table C.25 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 6 Math).199
Table C.26 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 7 Math).201
Table C.27 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 8 Math).203
Table C.28 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 9 Math).205
Table C.29 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 3 Reading)207
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Table C.30 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 4 Reading)209
Table C.31 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 5 Reading)210
Table C.32 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 6 Reading)212
Table C.33 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 7 Reading)213
Table C.34 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 8 Reading)215
Table C.35 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 9 Reading)217
Table C.36 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 3 Science)218
Table C.37 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 4 Science)220
Table C.38 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 5 Science)221
Table C.39 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 6 Science)223
Table C.40 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 7 Science)224
Table C.41 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 8 Science)225
Table C.42 Raw/Scale Score Simple & Cumulative Frequencies (Spanish Grade 9 Science)227
Table D.1 Performance Level Classification Percentages for Selected Demographic Subgroups
(English Math, non-BIA schools)..............................................................................................229
Table D.2 Performance Level Classification Percentages for Selected Demographic Subgroups
(English Reading, non-BIA schools).........................................................................................232
Table D.4 Performance Level Classification Percentages for Selected Demographic Subgroups
(Spanish Math, non-BIA schools).............................................................................................239
Table D.5 Performance Level Classification Percentages for Selected Demographic Subgroups
(Spanish Reading, non-BIA schools)........................................................................................242
Table D.6 Performance Level Classification Percentages for Selected Demographic Subgroups
(Spanish Science, non-BIA schools)..........................................................................................244
Table D.7 Performance Level Classification Percentages for Selected Demographic Subgroups
(English Math, BIA schools)......................................................................................................246
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Table D.8 Performance Level Classification Percentages for Selected Demographic Subgroups
(English Reading, BIA schools).................................................................................................249
Table D.9 Performance Level Classification Percentages for Selected Demographic Subgroups
(English Science, BIA schools)..................................................................................................251
Table E.1 Interrater Agreement (English Math)......................................................................254
Table E.2 Interrater Agreement (English Reading).................................................................257
Table E.3 Interrater Agreement (English Science)..................................................................259
Table E.4 Interrater Agreement (Spanish Math).....................................................................260
Table E.5 Interrater Agreement (Spanish Reading)................................................................263
Table E.6 Interrater Agreement (Spanish Science).................................................................265
Table F.1 Item Statistics for Operational Items (English Grade 3 Math)..............................268
Table F.2 Item Statistics for Operational Items (English Grade 4 Math).............................269
Table F.3 Item Statistics for Operational Items (English Grade 5 Math).............................270
Table F.4 Item Statistics for Operational Items (English Grade 6 Math).............................272
Table F.5 Item Statistics for Operational Items (English Grade 7 Math)..............................273
Table F.6 Item Statistics for Operational Items (English Grade 8 Math).............................275
Table F.7 Item Statistics for Operational Items (English Grade 9 Math).............................276
Table F.8 Item Statistics for Operational Items (English Grade 3 Reading).........................277
Table F.9 Item Statistics for Operational Items (English Grade 4 Reading)........................279
Table F.10 Item Statistics for Operational Items (English Grade 5 Reading).......................280
Table F.11 Item Statistics for Operational Items (English Grade 6 Reading)........................281
Table F.12 Item Statistics for Operational Items (English Grade 7 Reading).......................282
Table F.13 Item Statistics for Operational Items (English Grade 8 Reading).......................283
Table F.14 Item Statistics for Operational Items (English Grade 9 Reading).......................284
Table F.15 Item Statistics for Operational Items (English Grade 3 Science).........................285
Table F.16 Item Statistics for Operational Items (English Grade 4 Science)........................287
2006 NMSBA Technical Report Page 10
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