A Researcher Is Interested in the Effect of Teacher-Student Ratios

question 32

Multiple Choice

A researcher is interested in the effect of teacher-student ratios. She finds 10 fifth-grade classrooms with 30-40 students per class and 10 others with 15-25 students per class. She discovers that there is a negative correlation between class size and student achievement. Which one of the following conclusions can we draw from this study?

• A)Although class size doesn't necessarily cause changes in achievement,class size can help us predict school achievement.
• B)Classes should be as large as reasonably possible.
• C)Classes should be as small as reasonably possible.
• D)The researcher has conducted a descriptive study.

---

Definitions:

Proprietorship

A business entity owned and run by one individual, where there is no legal distinction between the owner and the business.

Partnership

An unincorporated business form consisting of two or more persons conducting business as co-owners for profit.

Service Business

A form of enterprise offering non-physical goods or services to its clients instead of tangible products.

Pet Groomer

A professional who provides hygiene and aesthetic care for pets, such as bathing, hair cutting, and nail clipping.