Week 13 Quiz

Two 13-year-olds in the same class are at very different points in puberty. Which statement matches how this course describes the timing of puberty?

Select one.

• Puberty starts at about 12 for every healthy teen, so one of the two is behind
• Puberty's timing varies widely from one healthy teen to the next
• A teen who starts puberty later than classmates has a health problem
• Puberty starts at the same age for every teen in a family

Over the past century, the average age at which puberty begins has moved earlier. What is this change called?

Select one.

• Pubertal timing compared with peers
• Synaptic pruning
• The secular trend
• The growth spurt

Which statement best describes the course's model of the adolescent brain?

Select one.

• Reward and emotion regions mature earlier than the prefrontal cortex, which keeps maturing into the twenties
• The prefrontal cortex matures first, so teens plan better than adults do
• The teenage brain is broken until about age 18, so teens cannot plan
• Brain development is finished by the start of adolescence

True or false: adolescent egocentrism, with its two forms, the imaginary audience and the personal fable, is a term from Elkind (1967), "Egocentrism in Adolescence".

True or false.

• True
• False

According to the American Academy of Pediatrics' 2014 policy statement on school start times for adolescents, what should middle and high schools aim for?

Select one.

• A start time of no earlier than 7:30 a.m.
• A start time of no earlier than 8:00 a.m.
• A start time of no earlier than 8:30 a.m.
• A start time of no earlier than 9:00 a.m.

In record R8 of the running case (illustrative), the 15-year-old's school starts at 7:30 a.m. How much earlier is that than the American Academy of Pediatrics' 2014 position on school start times?

Select one.

• 30 minutes
• 60 minutes
• 90 minutes
• 130 minutes

In Inhelder and Piaget's pendulum problem, a teen is asked what controls how fast a pendulum swings. Which response is typical of the concrete operational stage?

Select one.

• Tests one variable at a time while holding the others the same
• Refuses to touch the pendulum until an adult explains it
• States a hypothesis and works out what should happen if it is true
• Changes several things at once, such as the string and the weight

A 16-year-old plans a test of whether a new fertilizer helps plants grow, forms a hypothesis, works out what should happen if it is true, and changes only the fertilizer. Which statement fits this course's account of the reasoning?

Select one.

• It shows that every teen now reasons this way on every problem
• It is concrete operational reasoning, because plants are concrete objects
• It is the egocentrism of early childhood, because the teen picks their own view
• It is hypothetical-deductive reasoning, which many adolescents and adults do not use consistently

Before a school dance, a 14-year-old says, "Everyone there will notice the stain on my sleeve." Which concept does this sentence show?

Select one.

• The imaginary audience
• The personal fable
• Centration
• The egocentrism of early childhood

Which of Piaget's stages comes directly before the formal operational stage?

Select one.

• The preoperational stage
• The concrete operational stage
• The sensorimotor stage
• Erikson's identity vs. role confusion