Table 2: Comparison of item difficulties and item total correlations on Korean and US samples.
CRT-A | Item Korean samples ( n= 363) | US samples ( n=464) |
| P | Rb | P | rb |
CRT3 | 0.32 | 0.65 | 0.32 | 0.2 |
CRT4 | 0.33 | 0.31 | 0.22 | 0.21 |
CRT5 | 0.24 | 0.53 | 0.067 | 0.04 |
CRT7 | 0.21 | 0.56 | 0.016 | 0.14 |
CRT8 | 0.28 | 0.62 | 0.072 | 0.19 |
CRT9 | 0.59 | 0.34 | 0.4 | 0.25 |
CRT10 | 0.54 | 0.49 | 0.1 | 0.25 |
CRT11 | 0.37 | 0.16 | 0.21 | 0.24 |
CRT12 | 0.79 | 0.24 | 0.41 | 0.31 |
CRT13 | 0.3 | 0.44 | 0.17 | 0.15 |
CRT14 | 0.65 | 0.46 | 0.39 | 0.35 |
CRT15 | 0.31 | 0.63 | 0.16 | 0.17 |
CRT16 | 0.18 | 0.55 | 0.14 | 0.13 |
CRT17 | 0.39 | 0.57 | 0.22 | 0.28 |
CRT18 | 0.72 | 0.36 | 0.074 | 0.24 |
CRT19 | 0.34 | 0.57 | 0.2 | 0.25 |
CRT20 | 0.23 | 0.47 | 0.25 | 0.34 |
CRT21 | 0.3 | 0.5 | 0.24 | 0.22 |
CRT22 | 0.12 | 0.21 | 0.07 | 0.06 |
CRT23 | 0.46 | 0.42 | 0.3 | 0.19 |
CRT24 | 0.43 | 0.54 | 0.23 | 0.36 |
CRT25 | 0.49 | 0.43 | 0.04 | 0.19 |
CRT26 | 0.65 | 0.43 | 0.55 | 0.26 |
CRT27 | 0.71 | 0.29 | 0.72 | 0.22 |
CRT28 | 0.48 | 0.59 | 0.11 | 0.2 |
CRT29 | 0.58 | 0.16 | 0.31 | 0.26 |
CRT30 | 0.61 | 0.48 | 0.53 | 0.37 |