Table 2.
Archival data quality measures descriptive statistics and intercorrelations
| Measure | M (SD) | Range | Intercorrelations (Pearson r) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| LS | IR | PS | SD | RS | PT | MD | |||
| Longstring (LS) | 5.30 (2.55) | 2–21 | – | ||||||
| Resampled individual reliability (IR) | 0.42 (0.31) | − 0.88–1.00 | 0.20 | – | |||||
| Psychometric synonyms (PS) | 0.42 (0.27) | − 0.47–1.00 | 0.12 | 0.50 | – | ||||
| Inter-item standard deviation (SD) | 0.93 (0.23) | 0.27–1.70 | − 0.28 | − 0.16 | − 0.05 | – | |||
| Reverse-coded item inconsistency (RI) | 0.90 (0.46) | 0.00–3.06 | 0.06 | − 0.05 | − 0.01 | 0.57 | – | ||
| Person-total correlation (PT) | 0.42 (0.16) | − 0.07–0.82 | − 0.09 | − 0.05 | 0.32 | 0.05 | − 0.04 | – | |
| Mahalanobis distance (MD) | 48.35 (24.65) | 8.62–184.25 | − 0.09 | 0.01 | − 0.12 | 0.84 | 0.46 | − 0.32 | – |
| Polytomous Guttman errors (GE) | 116.40 (68.08) | 1–492 | − 0.10 | − 0.08 | − 0.12 | 0.85 | 0.52 | − 0.33 | 0.95 |