Which of the Following Methods Are Used to Reduce the Presence

question 3

Multiple Choice

Which of the following methods are used to reduce the presence of confounding variables?

• A) Choose a different sample
• B) Use a control group
• C) Change the dependent variable
• D) Control for the confounding variable

---

Definitions:

African-Americans

A term used to refer to citizens or residents of the United States who have ancestry from any of the black populations of Africa.

Civil Rights Movement

A pivotal series of events and legislative changes, primarily during the 1950s and 1960s, aimed at ending racial segregation and discrimination against African Americans in the United States.

World War II

A global conflict that lasted from 1939 to 1945, involving most of the world's nations, including all of the great powers, eventually forming two opposing military alliances: the Allies and the Axis.

National Industrial Recovery Act

1933 law passed on the last of the Hundred Days; it created public-works jobs through the Federal Emergency Relief Administration and established a system of self-regulation for industry through the National Recovery Administration, which was ruled unconstitutional in 1935.