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:

B2B Market

Business-to-Business market, where transactions are conducted between companies, rather than between companies and consumers.

Macro Variables

Broad variables that describe the overall context of an economy, such as GDP, unemployment rates, inflation, and interest rates.

Micro Variables

Small-scale factors that can affect a business or research outcome; often specific to a particular area or sector.

Demographic Variables

Characteristics of populations used in market research, such as age, gender, income, and education, to segment markets.