LSQ subscales (testlets) | Infit | Outfit | Point-biserical correlation | ||
---|---|---|---|---|---|
MNSQ | ZSTD | MNSQ | ZSTD | PTMEA CORR. | |
LSQ_general | 1.12 | 0.90 | 1.12 | 0.70 | 0.80 |
LSQ_information | 1.05 | 0.40 | 1.05 | 0.30 | 0.64 |
LSQ_empathy | 0.64 | -3.30 | 0.59 | -2.80 | 0.79 |
LSQ_technical competence | 1.06 | 0.40 | 1.05 | 0.30 | 0.77 |
LSQ_attitude | 1.06 | 0.50 | 0.91 | -0.40 | 0.74 |
LSQ_access&continuity | 1.05 | 0.50 | 1.08 | 0.60 | 0.76 |
MNSQ = mean-square; For model fit: MNSQ lie within ≥0.50 and ≤1.50).