“With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20, ” Ericsson recalls.
" 在经过大约 20小时的训练之后，第一个试验对象（复述）的数字跨度从 7个上升到 20个，" 埃里克森回忆说。
Digit Span
原声例句
历年考研英语阅读真题（英语一）
历年考研英语阅读真题（英语一）
" With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20, " Ericsson recalls. " He kept improving, and after about 200 hours of training he had risen to over 80 numbers."
“在约 20 个小时训练之后，第一位被试者的数字记忆跨度从 7 个增加至 20 个，” 艾利克森回忆道，“他不断地进步，约 200 个小时训练之后，他能记住 80 多个数宇。”
中文百科
神奇的数字：7±2 Memory span
（重定向自Digit Span）
《神奇的数字：7±2：我们信息加工能力的局限》（The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information）是美国认知心理学家乔治·A·米勒的一篇重要论文，1956年发表于《心理学评论》（The Psychological Review）。
英语百科
Memory span 神奇的数字 7 +/- 2
（重定向自Digit Span）
In psychology and neuroscience, memory span is the longest list of items that a person can repeat back in correct order immediately after presentation on 50% of all trials. Items may include words, numbers, or letters. The task is known as digit span when numbers are used. Memory span is a common measure of short-term memory. It is also a component of cognitive ability tests such as the WAIS. Backward memory span is a more challenging variation which involves recalling items in reverse order.
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