An IERI – International Educational Research Institute Journal
Bigram | Frequency in strings | Weight | Total frequency of bigrams | Chi-Square test | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Incorrect diagnoses | Correct diagnoses | Incorrect diagnoses | Correct diagnoses | χ2 | p | Dir | ||||
Raw | Wgt | Raw | Wgt | |||||||
EG.EG | 162 | 314 | 0.03 | 71,931 | 410.50 | 110,662 | 631.53 | 144.17 | < .001 | + |
EG EE | 159 | 312 | 0.04 | 405 | 8.83 | 521 | 11.36 | 0.11 | .735 | − |
EG ES | 38 | 47 | 2.27 | 49 | 110.59 | 54 | 121.87 | 49.80 | <.001 | − |
EG HS | 14 | 21 | 3.04 | 18 | 54.56 | 29 | 87.91 | 31.62 | <.001 | + |
EG DC | 156 | 309 | 0.06 | 230 | 9.63 | 376 | 15.74 | 6.44 | .011 | + |
EE EG | 82 | 81 | 1.79 | 113 | 200.39 | 83 | 147.19 | 766.49 | <.001 | − |
EE.EE | 162 | 313 | 0.03 | 11,727 | 113.68 | 8801 | 85.32 | 403.93 | <.001 | − |
EE ES | 151 | 283 | 0.17 | 360 | 57.84 | 464 | 74.55 | 0.67 | .414 | − |
EE HS | 48 | 60 | 2.06 | 73 | 149.57 | 77 | 157.76 | 101.46 | <.001 | − |
EE DC | 9 | 3 | 3.33 | 9 | 29.93 | 3 | 9.98 | 410.76 | <.001 | − |
ES EG | 70 | 82 | 1.63 | 87 | 141.08 | 97 | 157.29 | 56.34 | <.001 | − |
ES EE | 54 | 39 | 2.22 | 74 | 163.26 | 54 | 119.14 | 633.63 | <.001 | − |
ES.ES | 157 | 298 | 0.14 | 29,944 | 3588.27 | 39,799 | 4769.22 | 0.43 | .514 | − |
ES HS | 146 | 280 | 0.20 | 301 | 57.41 | 464 | 88.49 | 19.51 | <.001 | + |
ES DC | 6 | 2 | 3.39 | 6 | 20.27 | 2 | 6.76 | 278.01 | <.001 | − |
HS EG | 147 | 270 | 0.24 | 265 | 59.37 | 423 | 94.77 | 31.10 | <.001 | + |
HS EE | 54 | 41 | 2.16 | 68 | 146.03 | 48 | 103.08 | 620.17 | <.001 | − |
HS ES | 52 | 78 | 1.81 | 58 | 104.47 | 97 | 174.71 | 88.15 | <.001 | + |
HS.HS | 159 | 311 | 0.06 | 14,990 | 537.64 | 23,578 | 845.66 | 257.95 | <.001 | + |
HS DC | 1 | 4 | 3.37 | 1 | 3.36 | 4 | 13.45 | 89.06 | <.001 | + |
DC EG | 46 | 60 | 2.12 | 83 | 174.87 | 85 | 179.08 | 149.63 | <.001 | − |
DC EE | 10 | 4 | 3.34 | 11 | 36.68 | 4 | 13.34 | 462.98 | <.001 | − |
DC ES | 1 | 2 | 3.26 | 1 | 3.25 | 2 | 6.50 | 9.10 | .003 | + |
DC HS | 0 | 2 | 3.10 | 0 | 0.00 | 2 | 6.19 | 114.52 | <.001 | + |
DC.DC | 160 | 313 | 0.04 | 20,863 | 441.81 | 40,842 | 864.89 | 1203.06 | <.001 | + |