AP PSYCHOLOGY

LEARNING

BIOLOGY COGNITION AND LEARNING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This type of memory has a capacity of 7+/-2 items and a duration of about 30 seconds
A
Short-Term Memory
B
Long-Term Memory
C
Sensory Memory
D
None of the above
Explanation: 

Detailed explanation-1: -Short-term memory (STM) is the second stage of the multi-store memory model proposed by the Atkinson-Shiffrin. The duration of STM seems to be between 15 and 30 seconds, and the capacity about 7 items.

Detailed explanation-2: -Working memory has a limited capacity, typically described as comprising seven plus or minus two items, and a short duration of approximately 30 seconds maximum. The capacity of working memory can, however, be extended by the process of chunking, in which several items are grouped together into a single cognitive unit.

Detailed explanation-3: -(Working memory) It holds only a few items (research shows a range of 7 +/-2 items) and only lasts for about 20 seconds.

Detailed explanation-4: -It is often interpreted to argue that the number of objects an average human can hold in short-term memory is 7 ± 2. This has occasionally been referred to as Miller’s law.

Detailed explanation-5: -Working memory has a limited capacity, typically described as comprising seven plus or minus two items, and a short duration of approximately 30 seconds maximum. The capacity of working memory can, however, be extended by the process of chunking, in which several items are grouped together into a single cognitive unit.

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