Research by baillargeon in which infants looked longer at a screen that rotated 180 degrees than at a screen that rotated up and stopped at the top of a box used the paradigm in the test of whether the infants were able to mentally represent the box.

Looked longer at the screen when it rotated at the full 180 degrees than when it stopped.  

Explanation:

The violation of an expectant - shown an event that is surprising because of it violet something the infant is known to be true. This research was done on the infant to see the effect of the screen that has been rotated at 180 degrees fully and stopped at the top of the box that has been used as a paradigm. This paradigm was about to look longer at the screen when it rotated at 180 degrees. It was the best paradigm to mentally represent the box related to an infant's ability.

what are the answer choices?

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.