A researcher played the sounds "ba-ba-ba-ba-ba ..." until infants' response habituated,and then substituted "pa." What happened to the infants' responses,and what conclusion follows?
A)Their responses increased. Conclusion: They prefer "pa" to "ba."
B)Their responses increased. Conclusion: They hear a difference between the sounds.
C)Their responses stayed the same. Conclusion: They cannot tell the difference.
D)Their responses decreased. Conclusion: They prefer "ba" to "pa."

Question

A researcher played the sounds "ba-ba-ba-ba-ba ..." until infants' response habituated,and then substituted "pa." What happened to the infants' responses,and what conclusion follows?​
A)Their responses increased. Conclusion: They prefer "pa" to "ba."
B)​Their responses increased. Conclusion: They hear a difference between the sounds.
C)​Their responses stayed the same. Conclusion: They cannot tell the difference.
D)​Their responses decreased. Conclusion: They prefer "ba" to "pa."

Quizplus · Accepted Answer

If the infants' responses increased, it indicates that they noticed a change in the sound, and therefore can distinguish between "ba" and "pa." The conclusion is that they can differentiate between these sounds.

A Researcher Played the Sounds "Ba-Ba-Ba-Ba-Ba