Chunking Random Digits into Groups of How Many Numbers Generally

question 15

Multiple Choice

Chunking random digits into groups of how many numbers generally works best at maximizing recall, according to Wickelgren (1964) and Ryan (1969) ?

• A)Two
• B)Three
• C)Four
• D)Five
• E)Six

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Definitions:

Mechanical Abilities

Skills related to understanding and working with mechanical systems and machinery, often involving problem-solving and manual dexterity.

Test Bias

Test bias refers to a systematic error in a test that results in different meanings or outcomes for different groups, undermining its fairness or accuracy.

Left-Handed People

Individuals who predominantly use their left hand for activities requiring fine motor skills, such as writing and eating.

Predictive Validity

The extent to which a score on a scale or test predicts future performance or behavior.