Those who viewed the comedy routine were in significantly better moods after viewing the video, while the mood of flooring group had not changed.
2
一些参与者看一段脱口秀节目，而其他人则看一段如何安装地板的教学视频。
Some participants were shown a segment of a stand-up comedy routine, while others watched an instructional video on how to install flooring.
3
看着视频，那些看喜剧节目的人心情明显比没看之前好多了，而那些看安装地板的视频的人心情没有变化。
Following the videos, those that viewed the comedy routine were in significantly better moods after viewing the video, while the mood of those that viewed the flooring video had not changed.
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