An 11-year-old's reaction time is ________ a 5-year-old's.
A) twice as fast as
B) half as fast as
C) about equal to
D) five times as fast as

Question

Quizplus · Accepted Answer

As children grow older, their reaction time improves because their nervous system matures. Therefore, an 11-year-old's reaction time would be faster than a 5-year-old's. "Twice as fast as" is the best choice to represent this improvement in reaction time.

An 11-Year-Old's Reaction Time Is ________ a 5-Year-Old's