Fathers must work harder to build an attachment with their exclusively breastfed infants because research suggests that feeding is the primary mechanism of attachment. 

____________is the active effort to construct literacy through informal experiences. For example, they will memorize certain words (their name or pizza) but still fail to understand the symbolic nature of each of the letter and words and how they all interrelate. 

In Piaget’s theory, during __________, toddlers use their current schemes to interpret the external world.

Adam and Philip occasionally wrestle, roll, hit, and run after one another, alternating roles while smiling and laughing. Adam and Philip are engaged in __________ play.

_______ of U.S. children suffer from food insecurity. 

__________ parenting predicts the poorest grades and worsening school performance over time.

In a highly plastic cerebral cortex,

Evan covers his eyes when the Wicked Witch of the West appears on the screen while he is watching The Wizard of Oz. Evan is using

Ahmed, age 2, gives his favorite stuffed toy to his little brother when his brother falls down and starts to cry. Ahmed is displaying

In cultures where parent–child cosleeping is widespread,