According to Piaget, a child that recognizes that a round ball of clay maintains its mass even when flattened into a long thin cylinder must have acquired which cognitive skill?

The Strange Situation is used to assess

Which illustrates parallel play?

In Rosalind Wiseman’s description of girls roles in cliques, a person who seems innocent, is liked by parents, but trades gossip for acceptance is called a

Young infants appear to prefer listening to motherese because they

When boys and girls try to enter a group of kids already playing together

A baby in utero is most sensitive to teratogens such as mother drinking alcohol at what stage?

The understanding that superficial changes in hair style, toy preferences, and occupation do not change one’s gender is known as

Comparisons of the behaviors and attitudes of mothers and fathers toward the gender-role development of their children suggest

The presentation of hydronephrosis is common with those patients diagnosed with