Block-level descriptive statistics by public- and nonpublic-school sessions, as defined after scaling, grade 12 mathematics national main assessment (accommodations permitted [R3]): 2000
Statistic |
Type of school1 |
Block M3 |
Block M4 |
Block M5 |
Block M6 |
Block M7 |
Block M8 |
Block M9 |
Block M10 |
Block M11 |
Block M12 |
Block M13 |
Block M14 |
Block M15 |
Number of scaled items |
† |
14 |
22 |
8 |
17 |
8 |
21 |
9 |
9 |
14 |
9 |
9 |
10 |
10 |
Unweighted sample size |
Public |
1,600 |
1,600 |
1,600 |
1,700 |
1,600 |
1,600 |
1,600 |
1,600 |
1,600 |
1,600 |
1,600 |
1,600 |
1,600 |
Nonpublic |
1,530 |
1,540 |
1,510 |
1,480 |
1,510 |
1,500 |
1,520 |
1,490 |
1,520 |
1,510 |
1,530 |
1,530 |
1,530 |
Weighted average item score |
Public |
0.40 |
0.67 |
0.33 |
0.54 |
0.44 |
0.53 |
0.46 |
0.43 |
0.44 |
0.42 |
0.41 |
0.47 |
0.33 |
NonPublic |
0.49 |
0.74 |
0.42 |
0.63 |
0.53 |
0.62 |
0.53 |
0.50 |
0.52 |
0.51 |
0.49 |
0.56 |
0.38 |
Weighted average polyserial |
Public |
0.69 |
0.61 |
0.75 |
0.72 |
0.71 |
0.64 |
0.62 |
0.66 |
0.63 |
0.68 |
0.67 |
0.71 |
0.71 |
NonPublic |
0.68 |
0.65 |
0.70 |
0.68 |
0.70 |
0.65 |
0.58 |
0.62 |
0.62 |
0.65 |
0.67 |
0.71 |
0.63 |
Weighted alpha reliability |
Public |
0.72 |
0.79 |
0.73 |
0.84 |
0.70 |
0.81 |
0.58 |
0.70 |
0.72 |
0.73 |
0.69 |
0.76 |
0.69 |
Nonpublic |
0.75 |
0.78 |
0.71 |
0.80 |
0.68 |
0.81 |
0.50 |
0.65 |
0.70 |
0.70 |
0.69 |
0.75 |
0.65 |
Weighted proportion of students attempting last item2 |
Public |
0.67 |
0.86 |
0.77 |
0.73 |
0.86 |
0.59 |
0.92 |
0.95 |
0.71 |
0.93 |
0.94 |
0.83 |
0.88 |
Nonpublic |
0.78 |
0.86 |
0.82 |
0.85 |
0.89 |
0.55 |
0.97 |
0.94 |
0.78 |
0.93 |
0.96 |
0.86 |
0.89 |
Last updated 11 July 2008 (KL)
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