When tennis players are on their game, they perceive the ball as moving slower and the net as lower to the ground, suggest researchers from Purdue University, West Lafayette, Ind. "It is not unusual for individuals who played well or poorly to comment on their perception of the ball's speed," notes Jessica K. Witt, assistant professor of psychological sciences. "If they played well, they often say the game seemed to move in slow motion." "In other studies, when the person performs better, like at softball, they perceive the ball to be bigger," indicates Mila Sugovic, a third-year doctoral student in cognitive psychology. 'This is the first finding where we are showing that something looks smaller or lower, and it matters in this case because the net is something the person is trying to avoid. Viewing it as smaller or lower turns out to be a good thing."
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机译：印第安纳州西拉法叶市普渡大学的研究人员建议，当网球运动员在比赛中时，他们会感觉到球的移动速度较慢，而球网则下降到地面较低。“对打得好或不好的人发表评论并不罕见。他们对球速度的感知。”心理科学助理教授Jessica K. Witt指出。 “如果他们打得不错，他们通常会说游戏似乎在慢动作中运动。” “在其他研究中，当一个人在垒球比赛中表现更好时，他们会感觉球更大。”认知心理学博士三年级学生米拉·苏格维奇（Mila Sugovic）表示。 ``这是我们发现东西看起来较小或较小的第一个发现，在这种情况下很重要，因为网是人们试图避免的东西。把它缩小或缩小看是一件好事。”
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