When an infant gazes more intently at a new stimulus, researchers conclude that the infant recognizes that stimulus as different. It follows that the infant has: an inborn preference for the new stimulus. remembered the original stimulus, making the new stimulus seem different. developed a preference for a stimulus that facilitates social responsiveness. become habituated to the new stimulus.

Developed a preference for a stimulus that facilitates social responsiveness

Explanation:

A consistent gaze on an object could develop a lot of learning as regards he object. Some of what could be developed during observation is that you study the character of the object, you now know how it behaves even when it doesn't behaves right or they bring something that's similar to it, you would know there is a difference due to you have observed the previous and could predict a lot of things concerning it. This is what the child developed when he gazes on the new stimulus, he developes a preference for the stimulus that facilitates social responsiveness