Variables

Question 1

Independent Variable

Answer 1

The variable that the researcher changes
Done by having a different value of this variable in each experimental condition

Question 2

Dependent Variable

Answer 2

The variable that the researcher measures

Question 3

Controlling Variables

Answer 3

To test IV and Dv, necessary to keep all other variables constant though confounding variables

Question 4

Confounding Variables

Answer 4

An outside variable changes across two conditions, this becomes a confounding variable and can ruin the experiment

Question 5

Extraneous Variable

Answer 5

Variables which can’t be elimination - temperature

Question 6

Counter Balancing

Answer 6

Includes allocating participants to conditions by half completing 1st condition, other half completing 2nd condition
Prevents order from becoming a confounding variable because the effect is balanced out over two conditions

Question 7

Standardisation

Answer 7

Using a standard procedure for all participants to avoid extraneous variables/confounding variables affecting the results