Exam 11: Section 4: Development

The United States has the highest rate of teenage pregnancy in the developed world.

The heart first begins to beat in the embryonic stage of prenatal development.

In the United States, teenage mothers score lower on measures of academic and economic achievement, but the children of teenage mothers do not.

Young adults experience fewer negative emotions than older adults.

Erik Erikson suggested that the major task of adolescence is the development of the ability to give and receive love.

The onset of puberty occurs about two years earlier for girls than boys.

Piaget's first stage of cognitive development is termed the preoperational stage.

Puberty is occurring earlier with successive generations.

Spending more than 10 hours per week in non-maternal day care impairs the formation of a secure attachment style between infant and mother, even if the mother is sensitive and responsive to the needs of her infant.

Infants who formed secure attachments with their primary caregivers act as though they are certain their primary caregiver will respond when they feel insecure.

The peak of our physical prowess occurs in the early 20s, whereas the peak of our mental prowess occurs around age 50.

Vygotsky considered language and numerical systems as cultural tools that influenced cognitive development.

The brains of older adults show more bilateral symmetry than the brains of younger adults.

Newborns exhibit a strong rooting reflex when you lightly touch the soles of their feet.

Infants who formed secure as opposed to insecure attachments with their primary caregivers tend to experience greater academic success later in life.

The onset of puberty is accelerated by increases in body fat.

In Lawrence Kohlberg's preconventional stage of moral development, children tend to focus on how actions conform to social norms.

The typical infant can lift up its head before it is able to master rolling over.

Enlargement of the breasts in girls is a primary sex characteristic that occurs during puberty.

Deaf children who use American Sign Language to communicate lag far behind other children in acquiring a theory of mind.