In Tomasello's usage-based theory, he emphasizes the importance of _____ _____ in the establishment of reference and joint attention between the child and caregiver.
a. reinforcement contingencies
b. communicative pointing
c. object permanence
d. innate categories
Question 2
PDP models of language gain support from the
a. priming effect of previously heard words
b. behaviorist principles of operant conditioning
c. shaping effect of input language on language production
d. natural interaction between child and caretaker
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