IRT parameters for the algebra and functions scale, by block and item, grade 8 mathematics national main assessment (accommodations permitted [R3]): 2000
Block |
Item |
NAEP ID |
aj |
bj |
cj |
dj1 |
dj2 |
dj3 |
dj4 |
M3 |
1 |
M093001 |
0.77 |
1.17 |
0.24 |
† |
† |
† |
† |
4 |
M093301 |
1.17 |
0.59 |
0.12 |
† |
† |
† |
† |
6 |
M093501 |
0.61 |
0.90 |
0.00 |
0.30 |
-0.30 |
† |
† |
8 |
M093701 |
0.99 |
1.92 |
0.12 |
† |
† |
† |
† |
M4 |
10 |
M018301 |
0.88 |
-0.66 |
0.16 |
† |
† |
† |
† |
14 |
M018701 |
1.70 |
0.18 |
0.27 |
† |
† |
† |
† |
15 |
M018801 |
1.37 |
0.58 |
0.31 |
† |
† |
† |
† |
20 |
M019301 |
1.49 |
0.89 |
0.18 |
† |
† |
† |
† |
M5 |
1 |
M067001 |
1.22 |
0.61 |
0.32 |
† |
† |
† |
† |
3 |
M066201 |
0.93 |
-1.22 |
0.22 |
† |
† |
† |
† |
4 |
M066301 |
0.61 |
-2.28 |
0.00 |
† |
† |
† |
† |
6 |
M066501 |
0.53 |
-0.60 |
0.00 |
-0.16 |
0.16 |
† |
† |
7 |
M066601 |
0.38 |
-0.93 |
0.00 |
-0.64 |
0.64 |
† |
† |
8 |
M067201 |
0.55 |
0.90 |
0.00 |
-1.54 |
1.54 |
† |
† |
8 |
M067202 |
2.25 |
0.82 |
0.44 |
† |
† |
† |
† |
9 |
M067301 |
1.04 |
0.43 |
0.13 |
† |
† |
† |
† |
10 |
M067401 |
0.77 |
1.15 |
0.13 |
† |
† |
† |
† |
M6 |
1 |
M019701 |
0.48 |
-2.04 |
0.00 |
† |
† |
† |
† |
8 |
M020401 |
0.64 |
-0.52 |
0.00 |
† |
† |
† |
† |
14 |
M021201 |
0.84 |
0.34 |
0.00 |
† |
† |
† |
† |
M7 |
1 |
M068101 |
0.87 |
-0.73 |
0.19 |
† |
† |
† |
† |
2 |
M067701 |
0.73 |
-1.63 |
0.17 |
† |
† |
† |
† |
4 |
M067901 |
0.62 |
-0.60 |
0.00 |
-1.45 |
1.45 |
† |
† |
M8 |
1 |
M012231 |
0.58 |
-3.09 |
0.19 |
† |
† |
† |
† |
11 |
M013231 |
0.94 |
1.43 |
0.11 |
† |
† |
† |
† |
18 |
M013731 |
1.04 |
1.23 |
0.12 |
† |
† |
† |
† |
M9 |
3 |
M052501 |
0.80 |
0.91 |
0.13 |
† |
† |
† |
† |
M10 |
7 |
M086101 |
0.72 |
0.71 |
0.20 |
† |
† |
† |
† |
8 |
M086201 |
1.08 |
0.61 |
0.23 |
† |
† |
† |
† |
9 |
M086301 |
0.49 |
0.01 |
0.00 |
1.15 |
1.87 |
-1.49 |
-1.53 |
M11 |
15 |
M047601 |
1.41 |
0.19 |
0.09 |
† |
† |
† |
† |
16 |
M047701 |
1.05 |
1.47 |
0.25 |
† |
† |
† |
† |
M12 |
5 |
M091701 |
1.16 |
-0.65 |
0.26 |
† |
† |
† |
† |
7 |
M091801 |
1.20 |
0.77 |
0.16 |
† |
† |
† |
† |
9 |
M092001 |
0.24 |
1.57 |
0.00 |
-0.88 |
-2.19 |
0.40 |
2.67 |
M13 |
6 |
M051701 |
2.33 |
0.43 |
0.25 |
† |
† |
† |
† |
10 |
M052101 |
0.95 |
0.35 |
0.00 |
† |
† |
† |
† |
M15 |
2 |
M075301 |
1.26 |
-0.26 |
0.00 |
1.27 |
-1.27 |
† |
† |
4 |
M075501 |
1.62 |
0.21 |
0.16 |
† |
† |
† |
† |
6 |
M0757CL |
0.88 |
0.92 |
0.00 |
† |
† |
† |
† |
Last updated 14 July 2008 (DR)
Printer-friendly Version
|