Consider the Following Scenario as You Answer These Questions

question 15

Multiple Choice

Consider the following scenario as you answer these questions.
Nala wants to determine if providing awards for science fair winners increases or decreases participation by average students. She thinks that by promoting science as a competition some children may decide not to participate. To address this question, Nala assigns schools in her district to two types, awarding or non-awarding schools and compares the participation rate of students in her two groups.
-Given Nala's study, what is one extraneous variable she has considered?

• A) School location
• B) Student achievement
• C) School type
• D) Participation rate

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Definitions:

Common Cold

A viral infectious disease of the upper respiratory tract characterized by symptoms like sneezing, coughing, sore throat, and runny nose.

Influenza

A highly contagious viral infection that attacks the respiratory system, commonly known as the flu, characterized by fever, cough, and muscle aches.

Allergy

A hypersensitive reaction of the immune system to specific substances, known as allergens, which are harmless to most people.

Nasal Discharge

A common symptom involving fluid that flows from the nose, often due to allergies, colds, or infections.