Teacher CPD: Join us in London for another packed programme of face-to-face CPD courses. Learn more


Extraneous Variable

Extraneous variable (EV) is a general term for any variable, other than the IV, that might affect the results (the DV). Where EVs are important enough to cause a change in the DV, they become confounding variables.

© 2002-2023 Tutor2u Limited. Company Reg no: 04489574. VAT reg no 816865400.