DIF ANALYSIS Default.myproject.EXAM1 February 11, 2010 10:17:20 ================================================================================ Item Chi-square p-value Valid N E.S. (95% C.I.) Class ---------- ---------- ------- ------- ---------------------------- ----- item1 9.79 0.00 5486 0.82 ( 0.72, 0.93) A item2 1.41 0.24 5637 1.07 ( 0.96, 1.19) A item3 2.05 0.15 5385 1.12 ( 0.96, 1.30) A item4 1.64 0.20 5652 1.08 ( 0.96, 1.20) A item5 11.90 0.00 5658 0.81 ( 0.72, 0.91) A item6 19.79 0.00 5567 0.74 ( 0.65, 0.85) A item7 3.21 0.07 5653 1.11 ( 0.99, 1.24) A item8 12.30 0.00 4910 1.37 ( 1.15, 1.63) A item9 4.88 0.03 5631 0.88 ( 0.78, 0.99) A item10 4.34 0.04 5419 1.19 ( 1.01, 1.40) A item11 4.59 0.03 5194 0.83 ( 0.71, 0.98) A item12 2.05 0.15 5626 1.09 ( 0.97, 1.22) A item13 3.37 0.07 5505 1.15 ( 0.99, 1.34) A item14 0.28 0.60 5658 0.97 ( 0.87, 1.09) A item15 0.18 0.67 5564 1.03 ( 0.91, 1.17) A item16 0.57 0.45 5643 0.96 ( 0.85, 1.07) A item17 3.14 0.08 5619 1.11 ( 0.99, 1.24) A item18 0.11 0.74 5663 0.98 ( 0.88, 1.10) A item19 4.28 0.04 5520 1.15 ( 1.01, 1.32) A item20 1.82 0.18 5617 1.08 ( 0.97, 1.21) A item21 6.83 0.01 5652 1.17 ( 1.04, 1.32) A item22 11.77 0.00 5663 1.23 ( 1.09, 1.38) A item23 5.80 0.02 5648 0.86 ( 0.77, 0.97) A item24 5.26 0.02 5489 1.16 ( 1.02, 1.32) A item25 4.06 0.04 5643 1.13 ( 1.00, 1.27) A item26 10.24 0.00 5551 1.25 ( 1.09, 1.44) A item27 9.20 0.00 5663 0.79 ( 0.68, 0.92) A item28 0.69 0.41 5641 1.05 ( 0.94, 1.18) A item29 21.46 0.00 5663 1.31 ( 1.17, 1.46) A item30 7.14 0.01 5632 1.17 ( 1.04, 1.31) A item31 0.02 0.88 5658 1.01 ( 0.90, 1.13) A item32 6.86 0.01 5652 0.85 ( 0.76, 0.96) A item33 0.83 0.36 5648 0.94 ( 0.83, 1.07) A item34 0.99 0.32 5567 1.06 ( 0.94, 1.19) A item35 1.51 0.22 5515 1.09 ( 0.95, 1.24) A item36 3.24 0.07 5421 1.12 ( 0.99, 1.28) A item37 11.27 0.00 5632 0.81 ( 0.72, 0.92) A item38 23.67 0.00 5663 0.75 ( 0.67, 0.84) A item39 3.26 0.07 5662 1.11 ( 0.99, 1.25) A item40 7.38 0.01 5652 1.18 ( 1.05, 1.33) A item41 3.73 0.05 5658 1.13 ( 1.00, 1.28) A item42 39.43 0.00 5643 0.69 ( 0.61, 0.77) A item43 1.14 0.29 5611 0.94 ( 0.83, 1.06) A item44 0.17 0.68 5632 1.03 ( 0.91, 1.16) A item45 12.31 0.00 5617 0.80 ( 0.71, 0.91) A item46 2.25 0.13 5619 1.10 ( 0.97, 1.25) A item47 0.02 0.89 5611 1.01 ( 0.90, 1.13) A item48 0.24 0.63 5606 1.03 ( 0.91, 1.16) A item49 0.13 0.72 5643 1.02 ( 0.91, 1.14) A item50 0.08 0.78 5125 0.98 ( 0.86, 1.12) A item51 0.54 0.46 5221 0.95 ( 0.82, 1.09) A item52 12.75 0.00 5589 0.80 ( 0.71, 0.91) A item53 7.41 0.01 5632 0.85 ( 0.75, 0.96) A item54 0.02 0.89 5637 1.01 ( 0.90, 1.13) A item55 14.06 0.00 5663 0.80 ( 0.71, 0.90) A item56 5.41 0.02 5637 1.17 ( 1.03, 1.34) A Options ----------------------------------- DIF Group Variable: gender Focal Group Code: F Reference Group Code: M Stratification: ALL Elapsed time: 2 secs, 340 msecs