‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ are not related to the purpose of the study , but may affect the dependentvariable are termed as extraneous variable.

• A. Independent variable
• B. Information
• C. Primary data.
• D. none