Researchers found that compared to school districts that retained ...

[codyclark]

Researchers found that compared to school districts that retained their early start times, school districts that made school start times a half-hour later than the usual time (e.g., 8:30 AM instead of 8:00 AM),
 
  a. had paradoxically more teens oversleeping and then rushing to school late.
  b. had a higher rate of depression among teens.
  c. had a lower rate of driving accidents by teens on school days.
  d. did not have a lower rate of problems among teens on any variable.

Question 2

Each of these environmental factors appears to worsen the sleep/wake shift except
 
  a. starting school earlier in middle and high school than in elementary school.
  b. abuse of melatonin supplements by teens.
  c. staring at lighted screens (TVs, computers, video games, and cell phones) late at night.
  d. greater autonomy over their bedtimes granted to teens by their parents.

[Eazy416]

Answer to Question 1

Answer: c. had a lower rate of driving accidents by teens on school days.

Answer to Question 2

Answer: b. abuse of melatonin supplements by teens.

[codyclark]

Gracias!

[anyusername12131]

Excellent