Controls

Question 1

Standardisation description

Answer 1

Keeping variables the same

Question 2

What problem does standardisation solve

Answer 2

Controls extraneous variables

Question 3

Counterbalancing description

Answer 3

Ensuring all variables occur in all possible combinations

Question 4

What problems does counterbalancing solve

Answer 4

Can help to manage order effects

Question 5

Randomisation description

Answer 5

All decisions should be made via chance

Question 6

Random allocation description

Answer 6

Random allocating participants into groups or different conditions

Question 7

Problems randomisation and random allocation solves

Answer 7

Prevents investigator bias

Question 8

Single blind trial’s description

Answer 8

The process of ensuring participants don’t know details of the experiment but the experiment or doesn’t

Question 9

Problems single blind trials solve

Answer 9

Helps to prevent demand characteristics

Question 10

Double blind trial description

Answer 10

The process of ensuring participants and experimenters do not know the details of the experiment

Question 11

Problems double blind trials solve

Answer 11

Helps to prevent demand characteristics and investigator bias