Saint-Aubin Jean, Kenny Sophie, Roy-Charland Annie
Université de Moncton, New Brunswick, Canada.
Can J Exp Psychol. 2010 Mar;64(1):47-52. doi: 10.1037/a0016850.
When participants read a text while searching for a target letter, they are more likely to miss the target letter embedded in frequent function words than in less frequent content words. This effect is usually observed with a text displayed normally, for which it has been found that frequent function words are fixated for a smaller amount of time than less frequent content words. However, similar pattern of omissions have been observed with a rapid serial visual presentation procedure in which words appear one at a time. These parallel results would demonstrate that fixation duration per se is not the proximal cause of the missing-letter effect only if eye movements are not made during the rapid serial visual presentation procedure. Therefore, the authors performed eye monitoring during the rapid serial visual presentation procedure. Results revealed that, with a rapid serial visual presentation procedure, participants fixated function and content words for almost the entire presentation duration. It is concluded that eye movements are not the proximal cause of the missing-letter effect.
当参与者在寻找目标字母的同时阅读一篇文章时，比起嵌入低频实词中的目标字母，他们更有可能错过嵌入高频功能词中的目标字母。这种效应通常在正常显示的文本中观察到，研究发现，高频功能词的注视时间比低频实词的注视时间短。然而，在单词一次出现一个的快速序列视觉呈现程序中也观察到了类似的遗漏模式。这些平行的结果表明，只有在快速序列视觉呈现程序中没有进行眼动时，每次注视持续时间本身才不是遗漏字母效应的近端原因。因此，作者在快速序列视觉呈现程序中进行了眼动监测。结果显示，在快速序列视觉呈现程序中，参与者几乎在整个呈现持续时间内都注视着功能词和实词。研究得出结论，眼动不是遗漏字母效应的近端原因。
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