Examlex
Which of the following could affect internal validity in a correlational study?
HIV Infection
A viral infection caused by the human immunodeficiency virus, which attacks the immune system and can lead to acquired immunodeficiency syndrome (AIDS).
African Americans
A group in the United States characterized by their descent from any of the African continent's black racial groups.
Hispanic Americans
Individuals in the United States who are descendants or immigrants from Spanish-speaking countries in Latin America and the Caribbean.
Asthma Treatment
Medical care and management strategies intended to control symptoms and improve the quality of life for individuals with asthma.
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