问答题

警方学员坐在一个黑暗的房间里,对着投影屏幕。十个不同的许可飞机被投影在屏幕上,一次一个,每次5秒,两次试验间隔15秒。在最后15秒的时间间隔里,打开灯,要求警察学员以任意次序写下观察到的尽可能多的10个牌号。随机抽取试验中的15名学员参加了为期一周的记忆训练课程。然后,对他们进行重新测试,正确号码牌的数量结果如下表所示。

在显著性水平α=0.05时能否认为记忆训练课程提高了警察学员的正确识别号码牌的能力?

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