Variables

Question 1

IV

Answer 1

Event that is directly manipulared by researcher or changes naturaly to have an effect on the DV

Question 2

DV

Answer 2

Measured by the researcher and has been caused by a change to the IV

Question 3

Operationalisation of IV and DV

Answer 3

Act of a researcher clearly defining the variable in termns of how they are being measured

Defined and measurable

Question 4

Extraneous variable

Answer 4

Any other variable that is not the IV that affects the DV and doesn’t vary systematically w the IV

eg age

Don’t confound the results of the study but just make it harder to detect

Question 5

Confounding variable

Answer 5

Varies systematically w the IV

Makes it difficult for the researcher to be sure of the origin of the impact of the DV