The transition between babble and speech a) is usually marked ...

[audragclark]

The transition between babble and speech
 
  a) is usually marked by a silent period
  b) is a gradual progression: speech and babble often coexist for several months
  c) requires a phonetic inventory
  d) does not predict the quality of phonetic development for children with hearing loss

Question 2

Vocalizations such as baba or dada normally first appear at about:
 
  a) 3-4 months
  b) 6 7 months
  c) 10 11 months
  d) 14 18 months

[matt95]

Answer to Question 1

b

Answer to Question 2

b

[audragclark]

Thanks for the timely response, appreciate it

[Viet Thy]

Excellent