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If a researcher fails to reject a true null hypothesis,he has made a(n)____________________ decision.
African Americans
A racial or ethnic group in the United States with ancestry from any of the black racial groups of Africa.
Fraud cases
Instances where deception, often for personal or financial gain, is used to manipulate or fabricate research data or findings.
Archival research
Archival research involves the study of existing records or data sets to find answers to research questions, without the need for generating new data through experiments or surveys.
Politicians
Individuals who are actively involved in the governance and decision-making processes of a country or community, often holding a public office.
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