Speech Science Final Exam

When does cooing emerge?

2-3 months

When does expansion emerge?

4-6 months

When does canonical/reduplicated babbling emerge?

7 months

When does variegated/non-reduplicated emerge?

10 months

When do first identifiable words emerge?

12 months

What is backing? And provide an example

substituting a sound produced in the front of the mouth instead with a sound produced in the back of the mouth

ex: “can” for “tan”

What is fronting? And provide an example

replacement of a back-of-the-mouth sound with a -front-of-the-mouth sound

ex: “toat” for “coat”

What is stopping? And provide an example

substitution of a stop consonant for a consonant with a different manner

ex: “peat” for “feet”

What is prevocalic voicing? And provide an example

voicing of an unvoiced consonant phoneme

ex: “big” for “pig”

What is reduplication? And provide an example

partial or total repetition of a syllable of a word

ex: “Mama” for “mommy”

What is Vowelization? And provide an example

syllabic liquids or nasals are replaced by vowels

ex: “bay-uh” for “bear”

What is cluster reduction? And provide an example

deletion of a consonant in a consonant cluster

ex: “pay” for “play”

What is final consonant deletion? And provide an example

deletion of a consonant in the final position of the word

ex: “ca” for “cat”

What is weak syllable deletion? And provide an example

omission of an unstressed syllable before or after a stressed syllable

ex: “prize” for “surprise”

What is deaffrication? And provide an example

changing of an affricate to a stop or fricative

ex: “shoes” for “choose”