Boys first begin producing sperm during

• embryonic development.

• fetal development.

• the first year after birth.

• puberty.

• early childhood.

Humanlike features start to develop around 9 weeks after conception. What is the developing human called at this point in development?

• zygote

• fetus

• embryo

• teratogen

• Y chromosome

Harmful chemicals or viruses that can be transferred from a mother to her developing fetus are called

• schemas.

• attachments.

• teratogens.

• zygotes.

• menarche.

According to Piaget, schemas are

• fixed sequences of cognitive developmental stages.

• children's ways of coming to terms with their sexuality.

• people's conceptual frameworks for understanding their experiences.

• problem-solving strategies that are typically not developed until the formal operational stage.

• moral ideas children use to understand right and wrong.

Three-year-old Ziva calls all four-legged animals “kitties.” Her tendency to fit all four-legged animals into her existing conception of a kitten illustrates the process of

• conservation.

• assimilation.

• accommodation.

• egocentrism.

• habituation.

In recognizing the inaccuracies of one's own ethnic stereotypes and revising his or her beliefs, an individual most clearly illustrates the process of

• habituation.

• attachment.

• assimilation.

• imprinting.

• accommodation.

According to Erik Erikson, the task of the adolescent is to:

• find intimacy.

• establish an identity.

• become autonomous.

• conquer their sense of inferiority.

Marissa resents the burden and constraints of caring for her infant daughter and frequently ignores her cries for attention. As a consequence, her daughter is most likely to display signs of:

• egocentrism.

• accommodation.

• insecure attachment.

• habituation.

People differ the most in their learning and memory abilities during:

• late adolescence.

• early adulthood.

• middle adulthood.

• later adulthood.

As Ellen ages, which of the following abilities will show improvement?

• recall of the states and their capitals

• mental rotation of a three-dimensional figure

• performance a crossword puzzle

• solving new logic problems