Table 2.
Loadings of observed measures on three factors in principal components analysis.
| Measure | Phonological | Lexical | Morphosyntactic |
|---|---|---|---|
| Phonological | |||
| Pig Latin | .884 | −.056 | .222 |
| Backward words | .848 | −.015 | .298 |
| Word reading | .822 | .383 | .060 |
| Final consonant choice | .788 | .144 | −.096 |
| Grammaticality judgments | .748 | .432 | .102 |
| Verbal working memory | .688 | .323 | −.362 |
| Lexical | |||
| Expressive vocabulary | .242 | .891 | .040 |
| Bound morphemes | −.051 | .744 | .473 |
| Sentence comprehension | .520 | .595 | .032 |
| Morphosyntactic | |||
| Pronouns | −.017 | −.021 | .842 |
| Mean length of utterance | .129 | .505 | .803 |
| Conjunctions | .431 | .178 | .489 |
Note. Bold font indicates highest factor loading for each measure.