The Universal Finding with Regard to Changes in Our Reaction

Multiple Choice

The universal finding with regard to changes in our reaction time as we age is that​

A) ​cognitive speed on crystallized tasks gets faster but cognitive speed on fluid tasks gets slower as people get older.
B) ​cognitive speed on fluid tasks gets faster but cognitive speed on crystallized tasks gets slower as people get older.
C) ​people slow down as they get older.
D) ​people get cognitively faster as they get older.