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Mean (Standard Deviation) Characteristics of the 10 Early and 10 Late Acquired Experimental Words
| Characteristic | Early AoA | Late AoA | |
|---|---|---|---|
| AoA (months) | 23.0 (0.6) | 49.3 (4.7) | |
| Name Agreement (%) | 89.2 (10.4) | 86.4 (15.4) | |
| Word Frequency | |||
| Kučera and Francis (1967) | 37.7 (58.8) | 35.8 (51.4) | |
| Kolson (1960) | 168.1 (185.9) | 64.3 (36.6) | |
| Concept Familiarity | 2.8 (0.5) | 2.7 (0.4) | |
| Word Length (in phonemes) | 3.9 (1.4) | 3.8 (1.0) | |
| Visual Complexity | 3.1 (0.9) | 3.1 (1.0) | |
