IRT parameters for the number sense, properties, and operations scale, by block and item, grade 4 mathematics state assessment (accommodations not permitted [R2]): 2000
Block |
Item |
NAEP ID |
aj |
bj |
cj |
dj1 |
dj2 |
dj3 |
M3 |
1 |
M039001 |
0.76 |
-1.55 |
0.14 |
† |
† |
† |
3A |
M039201 |
0.82 |
-0.24 |
0.00 |
† |
† |
† |
10 |
M039901 |
0.81 |
1.72 |
0.13 |
† |
† |
† |
13A |
M040201 |
0.94 |
1.45 |
0.00 |
† |
† |
† |
M4 |
1 |
M017401 |
0.39 |
-2.90 |
0.16 |
† |
† |
† |
4 |
M017701 |
1.03 |
0.52 |
0.18 |
† |
† |
† |
6 |
M017901 |
1.22 |
0.52 |
0.10 |
† |
† |
† |
9 |
M018201 |
1.04 |
1.17 |
0.12 |
† |
† |
† |
11 |
M018401 |
1.33 |
0.77 |
0.22 |
† |
† |
† |
12 |
M018501 |
2.67 |
2.07 |
0.25 |
† |
† |
† |
13 |
M018601 |
0.93 |
2.21 |
0.16 |
† |
† |
† |
M5 |
2 |
M066101 |
0.71 |
-1.10 |
0.07 |
† |
† |
† |
5 |
M066401 |
0.72 |
1.46 |
0.16 |
† |
† |
† |
8A |
M066701 |
0.65 |
-0.23 |
0.00 |
-0.33 |
0.33 |
† |
9A |
M066801 |
0.46 |
-0.01 |
0.00 |
-2.63 |
2.63 |
† |
M6 |
4A |
M020001 |
1.09 |
-0.31 |
0.00 |
† |
† |
† |
5A |
M020101 |
1.03 |
1.13 |
0.00 |
† |
† |
† |
9A |
M020501 |
0.72 |
0.97 |
0.00 |
† |
† |
† |
10A |
N277903 |
0.52 |
-1.69 |
0.00 |
† |
† |
† |
M7 |
3 |
M067801 |
1.32 |
1.00 |
0.16 |
† |
† |
† |
5A |
M068001 |
0.70 |
0.67 |
0.00 |
† |
† |
† |
6A |
M068002 |
0.64 |
0.53 |
0.00 |
-0.05 |
0.05 |
† |
M8 |
2A |
M010131 |
0.33 |
-2.94 |
0.19 |
† |
† |
† |
3A |
M010231 |
0.54 |
-1.00 |
0.13 |
† |
† |
† |
5A |
M010431 |
0.66 |
0.02 |
0.16 |
† |
† |
† |
6A |
M010531 |
0.44 |
1.55 |
0.09 |
† |
† |
† |
7A |
M010631 |
0.27 |
-2.15 |
0.00 |
† |
† |
† |
9A |
M010831 |
1.01 |
0.06 |
0.13 |
† |
† |
† |
12A |
N202831 |
0.79 |
-0.58 |
0.27 |
† |
† |
† |
13A |
M011131 |
0.83 |
0.13 |
0.22 |
† |
† |
† |
14A |
N240031 |
1.37 |
0.32 |
0.11 |
† |
† |
† |
M9 |
2 |
M090601 |
0.74 |
-0.46 |
0.25 |
† |
† |
† |
3 |
M090701 |
0.87 |
-0.70 |
0.18 |
† |
† |
† |
4 |
M090801 |
0.65 |
-0.40 |
0.08 |
† |
† |
† |
M11 |
1A |
M046001 |
0.57 |
-1.11 |
0.00 |
† |
† |
† |
4 |
M046301 |
1.09 |
0.65 |
0.21 |
† |
† |
† |
6 |
M046501 |
0.75 |
1.19 |
0.29 |
† |
† |
† |
9A |
M046801 |
1.11 |
0.60 |
0.00 |
† |
† |
† |
10A |
M046901 |
0.94 |
0.25 |
0.00 |
† |
† |
† |
16 |
M047501 |
0.50 |
-0.88 |
0.17 |
† |
† |
† |
M12 |
3A |
M086601 |
0.51 |
-0.75 |
0.00 |
-0.63 |
0.63 |
† |
4A |
M086701 |
1.34 |
-0.28 |
0.22 |
† |
† |
† |
7A |
M087001 |
0.62 |
0.36 |
0.00 |
-0.09 |
0.09 |
† |
8A |
M087101 |
0.72 |
1.55 |
0.24 |
† |
† |
† |
10A |
M087301 |
0.66 |
1.59 |
0.00 |
0.42 |
-1.24 |
0.39 |
M13 |
1 |
M042601 |
0.88 |
-0.62 |
0.19 |
† |
† |
† |
4 |
M042901 |
0.58 |
0.75 |
0.19 |
† |
† |
† |
5 |
M043001 |
0.82 |
-0.67 |
0.36 |
† |
† |
† |
8A |
M043301 |
0.69 |
0.78 |
0.00 |
† |
† |
† |
M14 |
1A |
M071901 |
0.68 |
-0.16 |
0.14 |
† |
† |
† |
2A |
M072001 |
0.70 |
0.01 |
0.25 |
† |
† |
† |
7A |
M072401 |
0.68 |
0.50 |
0.00 |
0.18 |
-0.18 |
† |
8A |
M072501 |
0.76 |
1.38 |
0.00 |
0.02 |
-0.02 |
† |
9A |
M072601 |
0.51 |
1.51 |
0.00 |
-1.21 |
1.21 |
† |
M15 |
5 |
M074601 |
0.93 |
0.87 |
0.33 |
† |
† |
† |
6A |
M074701 |
0.83 |
-0.53 |
0.00 |
† |
† |
† |
9A |
M075001 |
0.70 |
1.21 |
0.00 |
-1.13 |
1.13 |
† |
10A |
M075101 |
0.53 |
0.45 |
0.00 |
1.99 |
-0.54 |
-1.09 |
Last updated 14 July 2008 (KL)
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