Anderson Matthew J, Reis-Costa Kathleen, Misanin James R
Psychology Department, Saint Jo- seph's University, 5600 City Avenue, Philadelphia, PA 19131, USA.
Percept Mot Skills. 2007 Jun;104(3 Pt 1):799-802. doi: 10.2466/pms.104.3.799-802.
Previous research has suggested that the duration of stressful video material is estimated to be longer than one containing less stressful material. The current study sought to examine what effects viewing news coverage of the September 11th 2001 terrorist attacks might have on estimated duration of exposure. 16 participants were recruited from Saint Joseph's College of Maine psychology courses and viewed two 3-min. video clips. One clip contained coverage of the 9-11 terrorist attacks; the other, a nonstressful control, was taken from a familiar segment of The Wizard of Oz. Participants estimated the length of the clip and rated stress experienced while viewing the clip. Analysis showed the September 11th footage was rated as more stressful and was estimated as longer than the control clip.
先前的研究表明，与包含压力较小内容的视频相比，人们估计有压力的视频素材的时长会更长。当前的研究旨在探讨观看2001年9月11日恐怖袭击的新闻报道可能会对估计的观看时长产生什么影响。16名参与者从缅因州圣约瑟夫学院的心理学课程中招募而来，他们观看了两个3分钟的视频片段。其中一个片段包含9·11恐怖袭击的报道；另一个无压力的对照片段则取自人们熟悉的《绿野仙踪》片段。参与者估计了片段的长度，并对观看片段时所体验到的压力进行了评分。分析表明，9月11日的视频片段被评为压力更大，且估计时长比对照片段更长。
