Kalim Wants to Study the Effectiveness of a New Teaching

question 59

Multiple Choice

Kalim wants to study the effectiveness of a new teaching method. He includes two teachers of a class in the experiment. One teacher uses the new method of teaching, and the other teacher uses the old method. At the end of the semester, he finds that students who were taught in the new way had higher grades than students taught in the old way. What is the confounding variable?

• A)Grades
• B)Teaching method
• C)The two teachers
• D)The class

---

Definitions:

Honey Springs

The site of a significant 1863 Civil War battle in the Indian Territory, where Union forces secured a victory that was pivotal for control over the region.

Guerrilla Raids

Small, unexpected attacks conducted by independent or irregular military groups, often against larger traditional military forces, typically aiming at disruption rather than occupation.

Prolonged Warfare

Extended military conflict over a long duration, characterized by sustained operations and lasting impact on the nations or groups involved.

American West

A region of the United States located west of the Mississippi River, often associated with frontier history, exploration, and expansion in the 19th century.