Debra is a very active child. She loves to tumble and show o…

Debra is a very active child. She loves to tumble and show off. She always tries, what her parents consider, hair-raising stunts. She also loves running and believes she can run faster than her parents. This type of activity level and confidence is most characteristic of  

Diego is 3 years old. His mother pours him and his elder sis…

Diego is 3 years old. His mother pours him and his elder sister orange juice. Because his mother does not have two glasses of the same size, she pours his sister the juice in a taller glass than his. Though both glasses have the same amount of juice, Diego starts to cry because he think his sister has more juice. In the context of cognitive development in early childhood, this scenario illustrates the concept of  

Toby is three years old. His parents are concerned because h…

Toby is three years old. His parents are concerned because he always runs and jumps around. He cannot sit still. Even when watching his favorite cartoon on TV, he fidgets and wiggles. It is especially frustrating for his parents when Toby does not sit still through dinner. Which of the following should Toby’s parents do?