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

他们还被分成了限时答题组和不限时答题组。

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，露在快餐符号下的阅读速度提高了17%，即使阅读测试是不定时的。

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.

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