In a Study on Categorical Perception, Listeners Hear Two Sounds

question 20

Multiple Choice

In a study on categorical perception, listeners hear two sounds and then a third, and determine if the third sound was the same as the first or the second. Results show that:

• A) performance is at chance if the two sounds are from the same phonetic category
• B) performance is poor at the outset but listeners improve significantly with practice
• C) performance is better if the two sounds are from the same phonetic category than if they are from different phonetic categories
• D) all of the above

---

Definitions:

Punishment Schedules

The rules or structures that determine the frequency and timing of punishment in the context of behavior modification.

FR-1

A fixed-ratio 1 schedule in operant conditioning, where reinforcement is given after every correct response.

Punishing Stimulus

A stimulus that reduces the likelihood of the behavior occurring again by introducing a negative consequence or outcome.

Ineffective

Not producing the desired outcome or effect.