A Researcher Observes That the Mean Difference Between Two Conditions

question 22

Multiple Choice

A researcher observes that the mean difference between two conditions is 2.0 and the average variability in participants' scores is 4.0.The effect size,Cohen's d,for this experiment is _______.

• A)8.0
• B)4.0
• C)2.0
• D)0.5

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Definitions:

Ethnic Relations

The patterns of interaction, conflict, and cooperation between different ethnic groups within a society.

Ethnic And Race Relations

The interactions and relationships between people of different racial and ethnic backgrounds, including issues of discrimination, integration, and multiculturalism.

Soviet Union

A former federal socialist state in eastern Europe and northern Asia, existing from 1922 to 1991, known for its communist government.

Ethnically Homogeneous

Referring to a population or community consisting of members who share the same ethnic background.