An adult is preoccupied with a need to "make his mark" on the world. Which of Erikson's dilemmas (stages) is this adult grappling with?

Researchers have studied the impact on language development of cochlear implants in profoundly deaf children. They found that

a. children who received cochlear implants did not show any benefits to their language development. b. cochlear implants replace other forms of therapy for deaf children. c. almost all children showed large improvements in their language skills. d. children who received cochlear implants acquired language at the same rate as children with normal hearing.

Michael, age 16, has recently gained a considerable amount of weight but has not grown any taller. Developmentalists would suggest that there is a problem in which of the following domains of developmental psychology?

A) Physical B) Cultural C) Cognitive D) Social