A Researcher Selects a Sample from a Population with μ

question 25

Multiple Choice

A researcher selects a sample from a population with μ = 30 and uses the sample to evaluate the effect of a treatment.After treatment,the sample has a mean of M = 32 and a variance of s² = 6.If Cohen's d is used to measure the size of the treatment effect,which of the following would have no effect on the value of Cohen's d?

• A)Increase the sample size
• B)Increase the sample mean
• C)Increase the sample variance
• D)All of the other options will influence the value of Cohen's d.

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Definitions:

Haitian Revolution

A successful slave rebellion that began in 1791, leading to the establishment of Haiti as an independent nation in 1804, the first to abolish slavery.

Black Republic

A term that could refer to nations governed by people of African descent, often prominent in discussions of Haiti post its successful slave revolution.

Voting Rights

Legal rights guaranteed to individuals by law to participate in the electoral process, often a topic of historical struggle for marginalized groups.

Slave Rebellion

An act of violent or nonviolent resistance by slaves against their enslavers or slaveholders; its examples include the Haitian Revolution and the Stono Rebellion.