Variables

Question 1

Define dependant variable

Answer 1

The variable that is measured by the researcher

Question 1

Define independent variable

Answer 1

The variable that is manipulated by the researcher

Question 2

What are extraneous variables

Answer 2

The variable (other than the IV) that potentially affects the DV in a non-systematic way

Question 3

What are confounding variables

Answer 3

The variable (other than the IV) that potentially affects the DV in a systematic way

Question 4

What are participant variables

Answer 4

Type of EV’s related to the individual differences between participants which may affect the DV

Question 5

What are situational variables

Answer 5

Type of EV’s related to the differences in the environment of the experimental situation which may affect the DV

Question 6

What are demand characteristics

Answer 6

Cues from the experiment allowing the participant to work out the purpose of the experiment

Question 7

What are investigator effects

Answer 7

Effect of the investigator on the DV. May be conscious or unconscious

Question 8

What is randomisation

Answer 8

Use of chance to reduce the researcher’s influence on the investigation

Question 9

What is standardisation

Answer 9

Using exactly the same formalised procedures and instructions for all participants in a research study.