The following speech error can be attested:

big and fat (intended production) → pig and vat (actual production)

Please answer question 1-2 based on the data above.

 Question 1

Which one of the following statements best describes the speech error above?

Substitution of the feature voiced in big with voiceless.

Shift of the phone [b] from big to fat.

Anticipation of the phone [f] in fat.

Metathesis of the feature voiced/voiceless in [b] and [f].
 

Question 2

What conclusion might be drawn from the speech error introduced above?

Speakers rely not only on the highly variable acoustic signal but also on visual information to perceive sounds.

Semantic relationship between words can cause speech errors.

Individual articulatory movements are psychologically real units to the speaker.

Context information can affect speakers' perception of sounds.