1. Lexical Acquisition
If at 6 a kid knows 14,000 words he's learned 6 new words every day of his life.

2. Lexical Acquisition
If at 6 a kid knows 14,000 words he's learned 6 new words every day of his life.
If at 17 he knows 60,000 words he's learned 20 words a day since he was 6.

3. Lexical Acquisition Assumptions of labeling
Doggy means the whole thing (not the tail or fur)

4. Lexical Acquisition Assumptions of labeling
Doggy means the whole thing (not the tail or fur)
Doggy refers to all of them not just the one token

5. Lexical Acquisition Assumptions of labeling
Doggy means the whole thing (not the tail or fur)
Doggy refers to all of them not just the one token
Doggy refers to all things with similar characteristics

6. Lexical Acquisition Labeling Kids says doggy
Does that mean the dog or the barking?

7. Lexical Acquisition Labeling Look at the doggy Not doggy
Yes, it's a doggy
Doggy home

8. Lexical Acquisition Packaging
Learning the correct boundaries for the word

9. Lexical Acquisition
Overextension
juice=all drinks
doggie=all animals

10. Lexical Acquisition Overextension Underextension juice=all drinks
doggie=all animals
Underextension
Doggy means a particular one

11. Lexical Acquisition Reasons for overextension gap fill
kid sees difference, but has no word for it
duck is doggy

12. Lexical Acquisition Reasons for overextension
mental fog / wrong analysis
kid isn't mentally developed enough to perceive difference

13. Lexical Acquisition Reasons for overextension
mental fog / wrong analysis
kid isn't mentally developed enough to perceive difference
kid uses different prototype than adults
cookies are round (Lorna Doones aren't cookies)

14. Lexical Acquisition Reasons for overextension
mental fog / wrong analysis
kid isn't mentally developed enough to perceive difference
kid uses different prototype than adults
cookies are round (Lorna Doones aren't cookies)
Furry four-legged things are doggies

15. Lexical Acquisition Reasons for overextension
mental fog / wrong analysis
kid isn't mentally developed enough to perceive difference
kid uses different prototype than adults
cookies are round (Lorna Doones aren't cookies)
Furry four-legged things are doggies
I fall the ball. No transitive / intransitive difference

16. Lexical Acquisition Network building
making connections with other words

17. Lexical Acquisition
Where is the woman filling the glass?

18. Lexical Acquisition Which is the big one?
kids choose square in a and b

19. Lexical Acquisition Which is the tall one?
kids choose square in a and b

20. Lexical Acquisition Which is the long one?
kids choose square in a and b