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. Author manuscript; available in PMC: 2009 May 1.
Published in final edited form as: Cognition. 2007 Dec 20;107(2):479–500. doi: 10.1016/j.cognition.2007.10.010

Table 4.

Stimulus comparison: Experiments 1/3 (P-language), Experiments 2/4 (P-language) and Experiment 5

Experiments 1/3 Experiments 2/4 Experiment 5
# of sentence types 8 12 4
# of sentence tokens in exposure 8 50 32
Mean sentence length (words) 4.5 4.24 3.375
Vocabulary size 5 16 8