In the 1950s, George Miller Estimated the Number of Items

question 35

Multiple Choice

In the 1950s, George Miller estimated the number of items that could be stored in short-term memory to be the magic number __________.

• A) 5, plus or minus 4
• B) 7, plus or minus 2
• C) 9, plus or minus 3
• D) 11, plus or minus 1

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Definitions:

Thoracic Volume

Refers to the volume of the thoracic cavity, which affects respiratory function and is influenced by breathing.

Alveolar Pressure

The pressure of air within the alveoli of the lungs, crucial for the process of breathing in and out.

External Intercostals

Muscles located between the ribs that aid in the process of inhalation by elevating the ribcage.

Rectus Abdominis

A paired muscle extending along the front of the abdomen that is important for posture and involved in flexing the spine.