Across
- 4. "Her eats cake"
- 7. "No, no, it's like a tomato"
- 8. "Me want pepper"
- 9. "What that, daddy?"
- 10. A fundamental method of problem-solving
- 12. William O'Grady's theory
Down
- 1. Halliday's theory
- 2. 2 years and 6 months old
- 3. "Mummy wanted some cream"
- 5. Suggested by Paul and Norbury
- 6. "Me want pepper?"
- 11. Paul and Norbury's suggestion for child's speech