"With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20," Ericsson recalls.
“对于第一个实验对象，经过大约20小时的训练，他的数字跨度从7上升到20。”爱立信回忆道。
CONCLUSION: It is feasible to change the digit span test in Wechsler Intelligence Scale from individual test to group test.
结论：改变韦氏智力测验中的数字广度的测验方法，把该个别测验作为团体测验使用是可行的。
There were age and group main effects both on digit span performance and space span performance( P <0.05), but no interactive effects were revealed between age and group ( P >0.05).
将两组按照年龄分为高年龄组和低年龄组进行协方差分析，数字广度和空间广度测验均表现出显著的组别和年龄效应（均P<0.05），但组别和年龄无交互作用（均P >0.05）。
Methods 193 normal subjects were tested by mini-mental state examination (MMSE), word immediate recall and word delayed recall test, clock drawing test, digit span test and verbal fluency test.
方法：对193名正常老年人采用简明智力状态检查(MMSE)、词语即刻回忆和延迟回忆、画钟表、数字广度和词语流畅性测验等神经心理学测验进行认知测评。
Methods 193 normal subjects were tested by mini-mental state examination (MMSE), word immediate recall and word delayed recall test, clock drawing test, digit span test and verbal fluency test.
方法：对193名正常老年人采用简明智力状态检查(MMSE)、词语即刻回忆和延迟回忆、画钟表、数字广度和词语流畅性测验等神经心理学测验进行认知测评。
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