Bai Is Conducting a Study on Learning

question 126

Multiple Choice

Bai is conducting a study on learning.When she manipulates an independent variable,it is possible that some other factor,such as noise in the hall,can affect learning in one of the groups but not in the other.This possibility reflects the presence of:

• A) a confound
• B) a dependent variable
• C) selection bias
• D) random assignment

---

Definitions:

Martin Van Buren

The eighth President of the United States (1837-1841), known for his key role in the formation of the Democratic Party.

Party Politics

The strategies, operations, and challenges faced by political parties as they vie for power, influence policy, and represent their members.

Liberty

A fundamental principle referring to the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views.

Indian Removal Act

A law passed by Congress in 1830 that authorized the U.S. government to negotiate the forced relocation of Native American tribes from their ancestral homelands to territories west of the Mississippi River.