In this experiment they hypothesize that it should be easier for infants to represent a hidden object when it is familiar than when it is new. They also hypothesized, the novelty preference hypothesis makes familiar toys less attractive and decreases infants’ motivation to reestablish contact with them and that leads to poor responsiveness. Another hypothesis, known as the location conflict hypothesis, was that infants’ memory about a familiar objects prior location at home interferes with their ability to respond to absent reference to that object in the lab.
The experiment consisted of twelve 12 month olds in three different phases. The materials they