RESEARCH METHODS - 1.9 Controlling of Variables

Question 1

Define Extraneous Variables

Answer 1

This variable either acts randomly, affecting DV in all levels of IV / systematically affecting only one IV level (confounding variable). The effect of IV can be obscure, so results can be difficult to interpret

Question 2

Define Situational Variable

Answer 2

A confounding variable that is caused by an environmental aspect

Question 3

Define Participant Variables

Answer 3

Confounding variable caused by the participants’ individual differences