Variables

Question 1

Confounding Variable

Answer 1

Varies systematically with IV and is directly related to DV

E.g. sleep, age, gender

Question 2

Extraneous Variable

Answer 2

Don’t vary systematically with IV and unrelated to DV, but can still effect results

E.g. temperature, time of day

Question 3

Independent Variable

Answer 3

The variable manipulated by the researcher to test it’s effect on the DV

Question 4

Dependent Variable

Answer 4

The variable measured by the researcher