Research Methods

Question 1

IV

Answer 1

Independant variable
the things that you change

Question 2

DV

Answer 2

dependant variable
the thing measured

Question 3

Extraneous Variables

Answer 3

those that may affect the DV in some way in the same way for both IV variables

Question 4

Cofounding Variables

Answer 4

those that effect the different IV conditions differently
reduces VALIDITY of results

Question 5

Participant Variables

Answer 5

when different people are used for the different IV conditions
eg: age, intelligence, experience would all affect the DV

Question 6

Standardisation

Answer 6

the same procedure for all participants of the experiment

Question 7

Demand Characteristics

Answer 7

anything about the experiments environment that tells participants what the experiments about.
eg: makes them behave in a way they assume they are wanted to please the researcher to or alternatively to sabotage the experiment

Question 8

how to control demand characteristics

Answer 8

• give a false aim (deception - ethical issue)
• do not tell participants the aim (single blind)
• do not tell the investigator and the participant the aim (double blind)

Question 9

Investigator Effects

Answer 9

when the investigator behaves in a way which may influence participants performance

Question 10

experimenter expectancy

Answer 10

when the experimenter acts in a way to support their expectation