G11SAF Example Program Results LOG LIKELIHOOD KERNEL ON EXIT = -0.24039E+04 MAXIMUM LIKELIHOOD ESTIMATES OF ITEM PARAMETERS ARE AS FOLLOWS -------------------------------------------------------------- ITEM J ALPHA(J) S.E. ALPHA(J,0) PI(J) S.E. ------ -------- ---- ---------- ----- ---- 1 1.045 0.148 -1.276 0.218 0.017 2 1.409 0.179 0.424 0.604 0.022 3 2.659 0.525 1.615 0.834 0.036 4 1.122 0.140 -0.062 0.485 0.020 EXPECTED (AND OBSERVED) PERCENTAGE OF CASES PRODUCING POSITIVE RESPONSES FOR INDIVIDUAL AND PAIRS OF ITEMS ----------------------------------------------------- ITEM ---- ITEM 1 2 3 4 ---- - - - - 1 25.9 (25.9) 2 19.1 57.7 (19.1)(57.7) 3 22.5 48.0 69.4 (22.6)(48.1)(69.5) 4 16.4 33.9 40.6 48.8 (16.3)(33.9)(40.7)(48.8) OBSERVED EXPECTED THETA COMPONENT RAW SCORE FREQUENCY FREQUENCY SCORE SCORE SCORE PATTERN --------- --------- ----- --------- ----- ------- 154 147.061 -1.273 0.000 0 FFFF 11 13.444 -0.873 1.045 1 TFFF 42 42.420 -0.846 1.122 1 FFFT 49 54.818 -0.747 1.409 1 FTFF 2 5.886 -0.494 2.167 2 TFFT 10 8.410 -0.399 2.455 2 TTFF 27 27.511 -0.374 2.531 2 FTFT 84 92.062 -0.332 2.659 1 FFTF 10 6.237 -0.019 3.577 3 TTFT 25 21.847 0.027 3.705 2 TFTF 75 73.835 0.055 3.781 2 FFTT 129 123.766 0.162 4.069 2 FTTF 30 26.899 0.466 4.826 3 TFTT 50 50.881 0.591 5.114 3 TTTF 181 179.564 0.626 5.190 3 FTTT 121 125.360 1.144 6.236 4 TTTT --------- --------- 1000 1000.000 LIKELIHOOD RATIO GOODNESS OF FIT STATISTIC = 9.027 SIGNIFICANCE LEVEL = 0.251 (BASED ON 7 DEGREES OF FREEDOM) Value of IFAIL parameter on exit from G11SAF = 0