A 10-year-old's reaction time is __________ a 5-year-old's.
A) half as fast as
B) about equal to
C) twice as fast as
D) five times as fast as

Question

Quizplus · Accepted Answer

As children age, their reaction times tend to improve. Therefore, it is expected that a 10-year-old's reaction time would be faster than a 5-year-old's. "Twice as fast as" is the closest option to this expected improvement.

A 10-Year-Old's Reaction Time Is __________ a 5-Year-Old's