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Test-Retest Reliability of the TIMPSI
| TIMPSI Score | Range of Scores S1; Range of Scores S2 (Total Possible Score) | Mean S1, Mean S2 (SD) | Reliability, r (P ≤ .001) |
|---|---|---|---|
| Total | 7–52; 9–55 (96) | 30.4, 31.0 (11.6,11.7) | 0.95 |
| Screening | 1–26; 0–29 (51) | 13.7, 14.2 (5.7, 6.2) | 0.91 |
| Easy | 2–26; 4–26 (31) | 14.7, 14.9 (6.3,6.0) | 0.82 |
| Hard | 0–5; 0–4 (19) | 1.9, 1.9 (1.2, 1.0) | 0.65 |
Abbreviations: S1, screening visit 1; S2, screening visit 2; TIMPSI, Test of Infant Motor Performance Screening Items.
