The Effect Size for the Data from an Independent-Measures T

question 69

Multiple Choice

The effect size for the data from an independent-measures t test can be measured by r².Which of the following also produces the value for r²?​

• A)​squaring the Spearman correlation for the same data
• B)​squaring the point-biserial correlation for the same data
• C)​squaring the Pearson correlation for the same data
• D)​taking the square root of the Pearson correlation

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Definitions:

Cerebral Cortex

The outer layer of the cerebrum, playing a key role in memory, attention, perception, awareness, thought, language, and consciousness.

Spearman's "g" Factor

A theory proposing that a general intelligence factor underlies all cognitive abilities, measurable by performance on various tasks.

Intellectual Ability

The capacity to think abstractly, reason, understand complex ideas, learn quickly and from experience, and solve problems.

Specialized Intellectual Abilities

Particular cognitive skills that are highly developed or honed in specific areas, such as mathematical reasoning or linguistic talent.