They were also split into a timed group and an untimed one.

他们还被分成了题组和不题组。

Still, the researchers found that this unconscious exposure to fast food symbols ramped up participants' reading speeds by 17 percent, even though the reading test was untimed.

尽管如此，研究人员发现，这种无识地暴露在快餐符号下的速度提高了17%，即使试是不定的。

Untimed participants who were given the hard goal spent 33% more time working on the questions than those who were given the easy goal, and 57% more time than those who were just told to do their best.

在不题组中，与那些目标定的低的参与者相比，目标定的高的人在题上花费的间要多33%，而比仅需要“尽力而为”的人则多57%。