Early Estimates of Working-Memory Capacity Relied on the Digit-Span Task

question 20

Multiple Choice

Early estimates of working-memory capacity relied on the digit-span task. The data indicate working memory capacity to be

• A) 10 to 14 items.
• B) 2 or 3 items.
• C) around 20 items.
• D) around 7 items.

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Definitions:

Histogram

A graphical representation of the distribution of numerical data, where the data are binned and the count for each bin is represented by the height of the bar.

Class Size

The number of students enrolled in a given class or course, often influencing the effectiveness of teaching and learning.

Distribution Tails

The regions at either end of a probability distribution, often of interest for understanding the likelihood of extreme outcomes.

Extreme Values

Observations in data that are significantly higher or lower than the majority, often indicating outliers or anomalies in datasets.