IRT parameters for the physical science scale, by block and item, grade 4 science national main assessment (accommodations not permitted [R2]): 2000
Block |
Item |
NAEP ID |
aj |
bj |
cj |
dj1 |
dj2 |
dj3 |
S4 |
1 |
K031101 |
0.63 |
-1.43 |
0.00 |
† |
† |
† |
2 |
K031102 |
0.56 |
-0.95 |
0.00 |
† |
† |
† |
3 |
K031103 |
0.51 |
-0.07 |
0.00 |
† |
† |
† |
4 |
K031104 |
0.69 |
-1.98 |
0.00 |
† |
† |
† |
5 |
K031105 |
0.71 |
2.83 |
0.00 |
† |
† |
† |
6 |
K031106 |
0.94 |
2.10 |
0.18 |
† |
† |
† |
7 |
K031107 |
0.62 |
1.47 |
0.00 |
-0.33 |
0.33 |
† |
S6 |
6 |
K031309 |
0.96 |
-0.66 |
0.00 |
† |
† |
† |
7 |
K031302 |
0.49 |
3.39 |
0.00 |
0.52 |
-0.52 |
† |
8 |
K031303 |
0.87 |
-0.26 |
0.00 |
0.58 |
-0.58 |
† |
9 |
K031304 |
0.60 |
-0.66 |
0.00 |
0.49 |
-0.49 |
† |
S10 |
4 |
K032001 |
0.51 |
0.23 |
0.00 |
1.02 |
-1.02 |
† |
5 |
K032101 |
0.72 |
0.20 |
0.20 |
† |
† |
† |
S11 |
3 |
K097501 |
0.99 |
0.72 |
0.32 |
† |
† |
† |
7 |
K098301 |
0.60 |
1.11 |
0.00 |
2.17 |
-2.17 |
† |
8 |
K097101 |
0.54 |
0.91 |
0.27 |
† |
† |
† |
10 |
K098201 |
0.24 |
0.85 |
0.00 |
† |
† |
† |
12 |
K097401 |
1.25 |
1.28 |
0.19 |
† |
† |
† |
S12 |
5 |
K034001 |
0.54 |
1.92 |
0.00 |
-0.15 |
0.15 |
† |
7 |
K034201 |
0.80 |
0.06 |
0.19 |
† |
† |
† |
8 |
K034301 |
0.79 |
0.21 |
0.18 |
† |
† |
† |
S13 |
3 |
K034801 |
1.07 |
0.55 |
0.27 |
† |
† |
† |
4 |
K034802 |
0.72 |
0.07 |
0.00 |
† |
† |
† |
5 |
K034901 |
0.27 |
-2.07 |
0.00 |
-0.04 |
0.04 |
† |
6 |
K034902 |
0.56 |
0.72 |
0.00 |
-0.33 |
0.33 |
† |
S14 |
1 |
K035401 |
0.40 |
2.44 |
0.31 |
† |
† |
† |
3 |
K035601 |
0.30 |
3.45 |
0.00 |
1.57 |
-1.57 |
† |
4 |
K035701 |
0.80 |
1.16 |
0.20 |
† |
† |
† |
5 |
K035801 |
0.57 |
0.67 |
0.00 |
-0.13 |
0.13 |
† |
9 |
K036201 |
0.62 |
1.94 |
0.09 |
† |
† |
† |
10 |
K036301 |
0.56 |
1.48 |
0.00 |
-1.11 |
1.11 |
† |
S15 |
4 |
K037301 |
0.40 |
2.15 |
0.00 |
-2.45 |
2.45 |
† |
6 |
K037501 |
0.56 |
4.26 |
0.00 |
-0.49 |
0.49 |
† |
8 |
K037701 |
0.38 |
-1.39 |
0.00 |
1.17 |
0.96 |
-2.13 |
9 |
K037702 |
0.65 |
1.37 |
0.00 |
0.17 |
-0.17 |
† |
S20 |
5 |
K096901 |
0.48 |
0.86 |
0.00 |
-1.53 |
1.53 |
† |
6 |
K097201 |
0.84 |
0.85 |
0.19 |
† |
† |
† |
9 |
K098401 |
0.53 |
1.81 |
0.00 |
0.63 |
-0.63 |
† |
10 |
K100801 |
0.60 |
0.15 |
0.27 |
† |
† |
† |
11 |
K100701 |
0.52 |
0.88 |
0.00 |
-1.40 |
1.40 |
† |
14 |
K097301 |
0.85 |
1.08 |
0.21 |
† |
† |
† |
S21 |
1 |
K039501 |
1.38 |
-0.15 |
0.37 |
† |
† |
† |
3 |
K039701 |
0.61 |
1.85 |
0.22 |
† |
† |
† |
6 |
K040001 |
0.43 |
0.78 |
0.00 |
-0.63 |
0.63 |
† |
7 |
K040101 |
1.08 |
-0.01 |
0.34 |
† |
† |
† |
9 |
K040301 |
0.28 |
2.22 |
0.00 |
0.33 |
-0.33 |
† |
Last updated 15 July 2008 (KL)
Printer-friendly Version
|