컴퓨터와 태블릿PC는 유의한 상관관계가 없었으나, 컴퓨터와 FFF, 태블릿PC와 FFF에서는 유의한 차이가 있음을 알 수 있었다.
There had been no significant correlation between computer and tablet PC, but there ended up being a significant difference between computer and FFF and tablet PC and FFF.