In which of the following studies can we tell that the infant is discriminating between stimuli?
A) The infant relaxes when hearing a specific song because that song was previously paired with relaxation.
B) The infant sucks longer and harder to hear their mother read a story that they were exposed to prenatally than another story.
C) An infant doesn't avoid the odour of garlic after prenatal exposure to garlic through the mother's digestion.
D) The infant copies the facial expression of an adult who is in their visual field.

Question

Quizplus · Accepted Answer

The fact that the infant sucks longer and harder to hear a specific story that they were exposed to prenatally indicates that they are able to discriminate between different stimuli. The increase in sucking behavior shows that they prefer one stimulus over another. A, C, and D do not necessarily indicate discrimination between stimuli.

In Which of the Following Studies Can We Tell That