Chemistry

Trace

5 January, 02:24

A school board is concerned that student test scores are being affected by

the fact that students do not get enough sleep at night. Which of the

following is a testable hypothesis to use for finding whether or not this is

true?

A. Children need at least two more hours of deep sleep at night than

adults need

B. Children who eat breakfast and lunch achieve higher test scores

than children who skip either meal.

C. Children who get more sleep at night eat healthier meals and

struggle less with obesity.

D. Children who get a minimum of nine hours of sleep per night

achieve higher test scores than children who get fewer than nine

hours of sleep.