Question

difference between extraneous and intervening variable

Answer 1

extraneous variable are any variable which u r not intentionally studying in your experiment or test.
intervening variable is a hypothetical variable used to explain casual links between other variables.

Answer 2

Hi there,

The answer to your question is following,

Extraneous Variable: Variables that are used in the experiment but are kept hidden and are not studied are known as extraneous variables.

Intervening Variables: Variables that are used in order to explain the relationship between two variables.

I hope you understand the two definitions. Thanks