ITEM ANALYSIS Default.myproject.EXAM1 February 11, 2010 09:50:11 ================================================================================ Item-Total Correlation Item Option (Score) Difficulty S.D. Pt. Bis. Bis. --------- --------------- ---------- ---------- ---------- ---------- item1 Overall 0.7093 0.4541 0.3117 0.4131 A(1.0) 0.7093 0.4541 0.3117 0.4131 B(0.0) 0.0767 0.2661 -0.2205 -0.4075 C(0.0) 0.0823 0.2749 -0.2785 -0.5039 D(0.0) 0.1255 0.3313 -0.1155 -0.1853 item2 Overall 0.5298 0.4992 0.2619 0.3286 A(0.0) 0.1430 0.3501 -0.0550 -0.0853 B(0.0) 0.1485 0.3556 -0.1707 -0.2621 C(0.0) 0.1710 0.3765 -0.2614 -0.3875 D(1.0) 0.5298 0.4992 0.2619 0.3286 item3 Overall 0.8118 0.3909 0.4112 0.5957 A(0.0) 0.0455 0.2084 -0.2402 -0.5233 B(0.0) 0.0595 0.2366 -0.2534 -0.5066 C(1.0) 0.8118 0.3909 0.4112 0.5957 D(0.0) 0.0743 0.2623 -0.2520 -0.4702 item4 Overall 0.5735 0.4946 0.2387 0.3011 A(0.0) 0.1395 0.3465 -0.1356 -0.2117 B(1.0) 0.5735 0.4946 0.2387 0.3011 C(0.0) 0.1380 0.3449 -0.1237 -0.1936 D(0.0) 0.1418 0.3489 -0.2144 -0.3330 item5 Overall 0.6528 0.4761 0.2948 0.3800 A(0.0) 0.0758 0.2648 -0.2404 -0.4457 B(0.0) 0.1150 0.3190 -0.1752 -0.2880 C(1.0) 0.6528 0.4761 0.2948 0.3800 D(0.0) 0.1473 0.3545 -0.1564 -0.2407 item6 Overall 0.7328 0.4425 0.3493 0.4700 A(0.0) 0.0733 0.2607 -0.2615 -0.4899 B(1.0) 0.7328 0.4425 0.3493 0.4700 C(0.0) 0.1337 0.3403 -0.1782 -0.2812 D(0.0) 0.0540 0.2260 -0.2380 -0.4905 item7 Overall 0.4597 0.4984 0.3207 0.4027 A(0.0) 0.1897 0.3921 -0.2710 -0.3919 B(0.0) 0.1808 0.3849 -0.1200 -0.1756 C(1.0) 0.4597 0.4984 0.3207 0.4027 D(0.0) 0.1617 0.3682 -0.1541 -0.2317 item8 Overall 0.8555 0.3516 0.4161 0.6433 A(0.0) 0.0288 0.1674 -0.2157 -0.5482 B(0.0) 0.0618 0.2409 -0.2780 -0.5491 C(0.0) 0.0445 0.2062 -0.2537 -0.5568 D(1.0) 0.8555 0.3516 0.4161 0.6433 item9 Overall 0.5437 0.4981 0.3204 0.4024 A(1.0) 0.5437 0.4981 0.3204 0.4024 B(0.0) 0.1633 0.3697 -0.2229 -0.3341 C(0.0) 0.0920 0.2891 -0.2478 -0.4339 D(0.0) 0.1860 0.3891 -0.1129 -0.1640 item10 Overall 0.8085 0.3935 0.4622 0.6670 A(0.0) 0.0360 0.1863 -0.2506 -0.5903 B(0.0) 0.0767 0.2661 -0.3046 -0.5630 C(0.0) 0.0687 0.2529 -0.2656 -0.5078 D(1.0) 0.8085 0.3935 0.4622 0.6670 item11 Overall 0.8267 0.3786 0.4499 0.6647 A(0.0) 0.0580 0.2338 -0.2915 -0.5873 B(0.0) 0.0740 0.2618 -0.3001 -0.5606 C(1.0) 0.8267 0.3786 0.4499 0.6647 D(0.0) 0.0338 0.1808 -0.1974 -0.4750 item12 Overall 0.5527 0.4973 0.3322 0.4176 A(1.0) 0.5527 0.4973 0.3322 0.4176 B(0.0) 0.2955 0.4563 -0.1537 -0.2030 C(0.0) 0.0937 0.2914 -0.2845 -0.4956 D(0.0) 0.0483 0.2145 -0.2278 -0.4867 item13 Overall 0.7718 0.4197 0.4756 0.6602 A(0.0) 0.0588 0.2353 -0.2481 -0.4977 B(0.0) 0.0768 0.2663 -0.2795 -0.5163 C(0.0) 0.0797 0.2708 -0.2897 -0.5293 D(1.0) 0.7718 0.4197 0.4756 0.6602 item14 Overall 0.4732 0.4993 0.3040 0.3813 A(0.0) 0.1105 0.3135 -0.2265 -0.3765 B(0.0) 0.1927 0.3944 -0.1711 -0.2466 C(1.0) 0.4732 0.4993 0.3040 0.3813 D(0.0) 0.2112 0.4082 -0.1336 -0.1886 item15 Overall 0.6405 0.4799 0.4455 0.5716 A(1.0) 0.6405 0.4799 0.4455 0.5716 B(0.0) 0.0950 0.2932 -0.2540 -0.4406 C(0.0) 0.1227 0.3281 -0.2590 -0.4183 D(0.0) 0.1285 0.3347 -0.2346 -0.3740 item16 Overall 0.4470 0.4972 0.3023 0.3801 A(0.0) 0.2563 0.4366 -0.0996 -0.1351 B(1.0) 0.4470 0.4972 0.3023 0.3801 C(0.0) 0.1798 0.3841 -0.2291 -0.3354 D(0.0) 0.1035 0.3046 -0.1942 -0.3288 item17 Overall 0.4342 0.4957 0.3394 0.4275 A(0.0) 0.3892 0.4876 -0.1375 -0.1749 B(0.0) 0.0915 0.2883 -0.2730 -0.4788 C(0.0) 0.0673 0.2506 -0.2208 -0.4247 D(1.0) 0.4342 0.4957 0.3394 0.4275 item18 Overall 0.4880 0.4999 0.2999 0.3759 A(0.0) 0.1097 0.3125 -0.2039 -0.3395 B(1.0) 0.4880 0.4999 0.2999 0.3759 C(0.0) 0.1367 0.3435 -0.2546 -0.3994 D(0.0) 0.2450 0.4301 -0.0730 -0.0999 item19 Overall 0.6678 0.4710 0.5287 0.6858 A(1.0) 0.6678 0.4710 0.5287 0.6858 B(0.0) 0.0923 0.2895 -0.3147 -0.5504 C(0.0) 0.0802 0.2716 -0.2772 -0.5056 D(0.0) 0.1390 0.3460 -0.2788 -0.4354 item20 Overall 0.5022 0.5000 0.3373 0.4228 A(0.0) 0.1282 0.3343 -0.2098 -0.3348 B(0.0) 0.1980 0.3985 -0.1753 -0.2511 C(1.0) 0.5022 0.5000 0.3373 0.4228 D(0.0) 0.1490 0.3561 -0.1651 -0.2533 item21 Overall 0.5720 0.4948 0.4076 0.5139 A(1.0) 0.5720 0.4948 0.4076 0.5139 B(0.0) 0.2300 0.4209 -0.2196 -0.3044 C(0.0) 0.1193 0.3242 -0.2552 -0.4152 D(0.0) 0.0605 0.2384 -0.2109 -0.4195 item22 Overall 0.4367 0.4960 0.3817 0.4806 A(1.0) 0.4367 0.4960 0.3817 0.4806 B(0.0) 0.1798 0.3841 -0.2093 -0.3065 C(0.0) 0.2515 0.4339 -0.1863 -0.2535 D(0.0) 0.1090 0.3117 -0.1923 -0.3208 item23 Overall 0.3705 0.4830 0.3138 0.4012 A(0.0) 0.1770 0.3817 -0.1956 -0.2875 B(0.0) 0.2738 0.4460 -0.1754 -0.2348 C(1.0) 0.3705 0.4830 0.3138 0.4012 D(0.0) 0.1538 0.3608 -0.0865 -0.1317 item24 Overall 0.5693 0.4952 0.5097 0.6423 A(0.0) 0.1342 0.3409 -0.2640 -0.4162 B(1.0) 0.5693 0.4952 0.5097 0.6423 C(0.0) 0.0958 0.2944 -0.2849 -0.4931 D(0.0) 0.1735 0.3787 -0.2533 -0.3742 item25 Overall 0.5035 0.5000 0.4239 0.5313 A(0.0) 0.1240 0.3296 -0.2255 -0.3630 B(0.0) 0.2207 0.4147 -0.2848 -0.3982 C(1.0) 0.5035 0.5000 0.4239 0.5313 D(0.0) 0.1262 0.3321 -0.1265 -0.2028 item26 Overall 0.7413 0.4379 0.4349 0.5887 A(0.0) 0.0752 0.2637 -0.2103 -0.3910 B(1.0) 0.7413 0.4379 0.4349 0.5887 C(0.0) 0.0802 0.2716 -0.3065 -0.5589 D(0.0) 0.0768 0.2663 -0.2012 -0.3716 item27 Overall 0.1630 0.3694 0.1765 0.2647 A(0.0) 0.3133 0.4639 -0.1718 -0.2248 B(0.0) 0.2473 0.4315 -0.0896 -0.1223 C(0.0) 0.2478 0.4318 0.0415 0.0567 D(1.0) 0.1630 0.3694 0.1765 0.2647 item28 Overall 0.3935 0.4886 0.2566 0.3259 A(1.0) 0.3935 0.4886 0.2566 0.3259 B(0.0) 0.1750 0.3800 -0.1404 -0.2070 C(0.0) 0.2245 0.4173 -0.1173 -0.1634 D(0.0) 0.1742 0.3793 -0.1414 -0.2086 item29 Overall 0.4458 0.4971 0.3102 0.3901 A(1.0) 0.4458 0.4971 0.3102 0.3901 B(0.0) 0.1260 0.3319 -0.2798 -0.4486 C(0.0) 0.3133 0.4639 -0.0788 -0.1031 D(0.0) 0.0850 0.2789 -0.1734 -0.3107 item30 Overall 0.4222 0.4939 0.3070 0.3875 A(1.0) 0.4222 0.4939 0.3070 0.3875 B(0.0) 0.1880 0.3907 -0.2005 -0.2906 C(0.0) 0.2608 0.4391 -0.1207 -0.1631 D(0.0) 0.0977 0.2969 -0.1616 -0.2782 item31 Overall 0.3638 0.4811 0.2168 0.2778 A(0.0) 0.1908 0.3930 -0.1227 -0.1772 B(0.0) 0.2028 0.4021 -0.1526 -0.2174 C(1.0) 0.3638 0.4811 0.2168 0.2778 D(0.0) 0.2118 0.4086 -0.0671 -0.0946 item32 Overall 0.3243 0.4682 0.1841 0.2397 A(0.0) 0.1635 0.3699 -0.1773 -0.2657 B(1.0) 0.3243 0.4682 0.1841 0.2397 C(0.0) 0.2335 0.4231 -0.2110 -0.2914 D(0.0) 0.2445 0.4298 0.0937 0.1282 item33 Overall 0.6655 0.4719 0.3952 0.5122 A(0.0) 0.1360 0.3428 -0.2354 -0.3698 B(1.0) 0.6655 0.4719 0.3952 0.5122 C(0.0) 0.1053 0.3070 -0.1832 -0.3086 D(0.0) 0.0632 0.2433 -0.2046 -0.4014 item34 Overall 0.4892 0.4999 0.4075 0.5107 A(1.0) 0.4892 0.4999 0.4075 0.5107 B(0.0) 0.2523 0.4344 -0.1533 -0.2085 C(0.0) 0.1428 0.3499 -0.2749 -0.4263 D(0.0) 0.0853 0.2794 -0.1911 -0.3421 item35 Overall 0.6475 0.4778 0.4997 0.6429 A(0.0) 0.1355 0.3423 -0.2649 -0.4166 B(1.0) 0.6475 0.4778 0.4997 0.6429 C(0.0) 0.0842 0.2777 -0.2560 -0.4601 D(0.0) 0.1010 0.3014 -0.2444 -0.4165 item36 Overall 0.6040 0.4891 0.5105 0.6480 A(0.0) 0.0968 0.2958 -0.2033 -0.3507 B(0.0) 0.1215 0.3267 -0.2877 -0.4659 C(0.0) 0.1443 0.3515 -0.2741 -0.4239 D(1.0) 0.6040 0.4891 0.5105 0.6480 item37 Overall 0.5270 0.4993 0.4579 0.5744 A(0.0) 0.1377 0.3446 -0.3314 -0.5190 B(0.0) 0.1790 0.3834 -0.1369 -0.2006 C(0.0) 0.1210 0.3262 -0.2047 -0.3317 D(1.0) 0.5270 0.4993 0.4579 0.5744 item38 Overall 0.4063 0.4912 0.2767 0.3503 A(1.0) 0.4063 0.4912 0.2767 0.3503 B(0.0) 0.1358 0.3426 -0.2592 -0.4073 C(0.0) 0.2733 0.4457 -0.0649 -0.0870 D(0.0) 0.1500 0.3571 -0.0946 -0.1449 item39 Overall 0.3345 0.4719 0.2512 0.3255 A(0.0) 0.1813 0.3853 -0.1187 -0.1734 B(0.0) 0.2627 0.4401 0.0219 0.0296 C(0.0) 0.1858 0.3890 -0.2552 -0.3708 D(1.0) 0.3345 0.4719 0.2512 0.3255 item40 Overall 0.6015 0.4896 0.3800 0.4820 A(0.0) 0.1005 0.3007 -0.2165 -0.3696 B(0.0) 0.1980 0.3985 -0.1450 -0.2077 C(1.0) 0.6015 0.4896 0.3800 0.4820 D(0.0) 0.0662 0.2486 -0.2580 -0.4988 item41 Overall 0.6230 0.4847 0.4559 0.5817 A(0.0) 0.1503 0.3574 -0.2835 -0.4338 B(0.0) 0.1367 0.3435 -0.1760 -0.2761 C(0.0) 0.0558 0.2296 -0.2433 -0.4962 D(1.0) 0.6230 0.4847 0.4559 0.5817 item42 Overall 0.5095 0.5000 0.3407 0.4270 A(1.0) 0.5095 0.5000 0.3407 0.4270 B(0.0) 0.1275 0.3336 -0.2784 -0.4448 C(0.0) 0.1473 0.3545 -0.2504 -0.3852 D(0.0) 0.1795 0.3838 0.0132 0.0193 item43 Overall 0.6268 0.4837 0.3824 0.4885 A(0.0) 0.0822 0.2746 -0.1777 -0.3217 B(1.0) 0.6268 0.4837 0.3824 0.4885 C(0.0) 0.1708 0.3764 -0.1768 -0.2621 D(0.0) 0.0833 0.2764 -0.2358 -0.4252 item44 Overall 0.3698 0.4828 0.3349 0.4282 A(0.0) 0.3042 0.4601 -0.0994 -0.1307 B(1.0) 0.3698 0.4828 0.3349 0.4282 C(0.0) 0.1490 0.3561 -0.1835 -0.2815 D(0.0) 0.1373 0.3442 -0.1758 -0.2755 item45 Overall 0.5267 0.4993 0.4638 0.5817 A(0.0) 0.1727 0.3780 -0.2128 -0.3147 B(0.0) 0.1732 0.3784 -0.2673 -0.3950 C(1.0) 0.5267 0.4993 0.4638 0.5817 D(0.0) 0.0870 0.2819 -0.1712 -0.3048 item46 Overall 0.5368 0.4987 0.5050 0.6339 A(0.0) 0.0900 0.2862 -0.2359 -0.4158 B(0.0) 0.1525 0.3595 -0.3176 -0.4843 C(0.0) 0.1792 0.3835 -0.1756 -0.2573 D(1.0) 0.5368 0.4987 0.5050 0.6339 item47 Overall 0.4580 0.4983 0.3875 0.4866 A(0.0) 0.1337 0.3403 -0.1766 -0.2787 B(1.0) 0.4580 0.4983 0.3875 0.4866 C(0.0) 0.1442 0.3513 -0.2545 -0.3938 D(0.0) 0.2227 0.4161 -0.1146 -0.1600 item48 Overall 0.4728 0.4993 0.4102 0.5146 A(0.0) 0.0927 0.2900 -0.2423 -0.4234 B(0.0) 0.1580 0.3648 -0.2375 -0.3590 C(1.0) 0.4728 0.4993 0.4102 0.5146 D(0.0) 0.2325 0.4225 -0.1139 -0.1575 item49 Overall 0.4888 0.4999 0.3402 0.4264 A(0.0) 0.1697 0.3754 -0.2100 -0.3119 B(0.0) 0.1612 0.3677 -0.1446 -0.2175 C(1.0) 0.4888 0.4999 0.3402 0.4264 D(0.0) 0.1323 0.3389 -0.1151 -0.1822 item50 Overall 0.6217 0.4850 0.5532 0.7055 A(0.0) 0.0955 0.2939 -0.2711 -0.4696 B(1.0) 0.6217 0.4850 0.5532 0.7055 C(0.0) 0.1212 0.3263 -0.2835 -0.4593 D(0.0) 0.1173 0.3218 -0.2664 -0.4354 item51 Overall 0.6425 0.4793 0.5832 0.7489 A(0.0) 0.1253 0.3311 -0.3163 -0.5078 B(0.0) 0.1120 0.3154 -0.3034 -0.5024 C(0.0) 0.0758 0.2648 -0.2413 -0.4474 D(1.0) 0.6425 0.4793 0.5832 0.7489 item52 Overall 0.4948 0.5000 0.4468 0.5600 A(1.0) 0.4948 0.5000 0.4468 0.5600 B(0.0) 0.2482 0.4320 -0.1508 -0.2059 C(0.0) 0.1313 0.3378 -0.2868 -0.4547 D(0.0) 0.0785 0.2690 -0.2141 -0.3929 item53 Overall 0.4935 0.5000 0.4149 0.5200 A(0.0) 0.1348 0.3416 -0.1551 -0.2442 B(0.0) 0.1813 0.3853 -0.2429 -0.3551 C(1.0) 0.4935 0.5000 0.4149 0.5200 D(0.0) 0.1383 0.3453 -0.1597 -0.2497 item54 Overall 0.3798 0.4854 0.2415 0.3079 A(0.0) 0.1887 0.3913 -0.0988 -0.1431 B(1.0) 0.3798 0.4854 0.2415 0.3079 C(0.0) 0.2452 0.4302 -0.0856 -0.1171 D(0.0) 0.1327 0.3392 -0.1319 -0.2085 item55 Overall 0.4147 0.4927 0.3565 0.4507 A(1.0) 0.4147 0.4927 0.3565 0.4507 B(0.0) 0.1450 0.3521 -0.1715 -0.2649 C(0.0) 0.1285 0.3347 -0.1660 -0.2647 D(0.0) 0.2572 0.4371 -0.1366 -0.1851 item56 Overall 0.6288 0.4832 0.5291 0.6763 A(0.0) 0.0927 0.2900 -0.2571 -0.4492 B(0.0) 0.1122 0.3156 -0.2713 -0.4490 C(0.0) 0.1078 0.3102 -0.2426 -0.4059 D(1.0) 0.6288 0.4832 0.5291 0.6763 TEST LEVEL STATISTICS ========================================== Number of Items = 56 Number of Examinees = 6000 Min = 1.0000 Max = 56.0000 Mean = 30.3512 Median = 30.0000 Standard Deviation = 11.0103 Interquartile Range = 18.0000 KR21 = 0.9014 ------------------------------------------ RELIABILIY ANALYSIS =========================================================================== Method Estimate 95% Conf. Int. SEM --------------------------------------------------------------------------- Guttman's Lambda_2 0.9119 (0.9087, 0.9151) 3.2673 Cronbach's Alpha 0.9106 (0.9074, 0.9138) 3.2917 Feldt-Gilmer 0.9117 (0.9085, 0.9149) 3.2714 Feldt-Brennan 0.9115 (0.9083, 0.9147) 3.2754 Raju's Beta 0.9106 (0.9074, 0.9138) 3.2917 --------------------------------------------------------------------------- RELIABILIY IF ITEM DELTED ================================================================= Item Lambda_2 Alpha F-G F-B Raju ----------------------------------------------------------------- item1 0.9111 0.9097 0.9108 0.9106 0.9097 item2 0.9116 0.9103 0.9114 0.9111 0.9103 item3 0.9103 0.9089 0.9101 0.9098 0.9089 item4 0.9118 0.9105 0.9116 0.9114 0.9105 item5 0.9112 0.9099 0.9110 0.9108 0.9099 item6 0.9107 0.9094 0.9105 0.9103 0.9094 item7 0.9110 0.9097 0.9108 0.9106 0.9097 item8 0.9103 0.9090 0.9101 0.9099 0.9090 item9 0.9110 0.9097 0.9108 0.9106 0.9097 item10 0.9099 0.9085 0.9096 0.9094 0.9085 item11 0.9100 0.9086 0.9098 0.9096 0.9086 item12 0.9109 0.9096 0.9107 0.9105 0.9096 item13 0.9097 0.9083 0.9095 0.9092 0.9083 item14 0.9112 0.9098 0.9110 0.9107 0.9098 item15 0.9098 0.9085 0.9096 0.9094 0.9085 item16 0.9112 0.9098 0.9110 0.9108 0.9098 item17 0.9109 0.9095 0.9106 0.9104 0.9095 item18 0.9112 0.9099 0.9110 0.9108 0.9099 item19 0.9090 0.9077 0.9088 0.9086 0.9077 item20 0.9109 0.9095 0.9106 0.9104 0.9095 item21 0.9102 0.9088 0.9100 0.9097 0.9088 item22 0.9104 0.9091 0.9102 0.9100 0.9091 item23 0.9111 0.9097 0.9109 0.9106 0.9097 item24 0.9091 0.9078 0.9089 0.9087 0.9078 item25 0.9100 0.9086 0.9098 0.9096 0.9086 item26 0.9100 0.9086 0.9098 0.9095 0.9086 item27 0.9119 0.9107 0.9117 0.9115 0.9107 item28 0.9116 0.9103 0.9114 0.9112 0.9103 item29 0.9111 0.9098 0.9109 0.9107 0.9098 item30 0.9112 0.9098 0.9109 0.9107 0.9098 item31 0.9119 0.9106 0.9117 0.9115 0.9106 item32 0.9122 0.9109 0.9119 0.9117 0.9109 item33 0.9103 0.9089 0.9101 0.9098 0.9089 item34 0.9102 0.9088 0.9099 0.9097 0.9088 item35 0.9093 0.9079 0.9090 0.9088 0.9079 item36 0.9091 0.9078 0.9089 0.9087 0.9078 item37 0.9097 0.9083 0.9094 0.9092 0.9083 item38 0.9114 0.9101 0.9112 0.9110 0.9101 item39 0.9116 0.9103 0.9114 0.9112 0.9103 item40 0.9105 0.9091 0.9102 0.9100 0.9091 item41 0.9097 0.9083 0.9095 0.9092 0.9083 item42 0.9108 0.9095 0.9106 0.9104 0.9095 item43 0.9104 0.9091 0.9102 0.9100 0.9091 item44 0.9109 0.9095 0.9106 0.9104 0.9095 item45 0.9096 0.9082 0.9094 0.9091 0.9082 item46 0.9092 0.9078 0.9089 0.9087 0.9078 item47 0.9104 0.9090 0.9101 0.9099 0.9090 item48 0.9101 0.9088 0.9099 0.9097 0.9088 item49 0.9108 0.9095 0.9106 0.9104 0.9095 item50 0.9087 0.9074 0.9085 0.9082 0.9074 item51 0.9084 0.9071 0.9082 0.9080 0.9071 item52 0.9097 0.9084 0.9095 0.9093 0.9084 item53 0.9101 0.9087 0.9099 0.9096 0.9087 item54 0.9117 0.9104 0.9115 0.9113 0.9104 item55 0.9107 0.9093 0.9104 0.9102 0.9093 item56 0.9089 0.9076 0.9087 0.9085 0.9076 ----------------------------------------------------------------- Elapsed time: 4 secs, 727 msecs