本题目来源于试卷: IB Psychology HL Cognitive Approaches to Human Behaviour，类别为 IB心理学
[单选题]
Which of the following 1q(a gv 8+ sf;k.lfwnqxdh+f .best describes the capacity of shorpodxw3 )i8z7gw*58 afx xsd9 kt-term memory?
A. Unlimited
B. An average of 7±2 items
C. May change due to individual differences
D. Cannot be identified
参考答案: B
本题详细解析:
B is the correct answer. According to the multi-store model, pyw,j 3+jd1nyh ya0 ca f/ef72short-term memory has a limited capacity, typically estimated at about 7 ± 2 ifj,na 1p af/yy3yw c7+ 0hed2jtems (Miller's law).
It is not considered unlimited (A), varies individually (C), or unidentifiable (D).
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