The time of transition from childhood to adulthood in Western cultures is called _____

When we see a painting by Georges Seurat, the famous French impressionist, we tend to experience it as a rendering of a lovely landscape rather than as the series of separate, differently colored dots of which the painting is actually composed. This phenomenon illustrates an important point made by ______

Fill in the blank with the correct word.

According to the article Gimme the Ball concerning the development of object permanence, in the main study by Goubet & Clifton, object permanence was found to occur in the life span ______ Piaget had found it:

(a) earlier than (b) later than (c) at about the same time as