In the study of human development, the concept "Storm and Stress" was coined by

In sequential bilingualism, a child

A) learns two languages at the same time. B) learns three languages, one right after the other. C) learns one language, then forgets it when the child learns a second language. D) learns one language first, and then begins learning the second.

Which of the following statements about peer sociability is true?

A) Later-appearing forms of play replace earlier ones in the developmental sequence. B) Once a child begins to play cooperatively, she no longer engages in parallel play. C) Nonsocial activity is almost nonexistent among kindergarteners. D) It is the type, not the amount, of solitary and parallel play that changes in early childhood.