​Dalton is a six-month-old baby who is watching the faces of…

​Dalton is a six-month-old baby who is watching the faces of his parents and their friends as they sit around the dinner table. From his mother’s arms, he has a good view of each diner’s expression. Which dinner guest would probably draw the most of Dalton’s attention?

​Lucille is being tested to determine her ability to disting…

​Lucille is being tested to determine her ability to distinguish what she thinks from what she sees. She is shown an adult reaching for a ball that is in a basket and not in a box, but then watches as the ball is removed from the basket while the adult is not looking. When the adult reaches for the ball again, Lucille expects the adult to reach into the basket. This awareness of the adult’s beliefs about the location of the ball suggests the Lucille is at least ____ years of age.