Research Methods: KT 168

Question 1

Extraneous variable (EV)

Answer 1

Any variable other than IV that might have impacted the DV if it not controlled.

Question 2

Confounding variables

Answer 2

Any variable other than IV that may have impacted the DV.
Cannot be sure of the sources. Vary systematically with the IV

Question 3

Demand characteristics

Answer 3

Any cue from the researcher that may be interpreted by the participant as revealing the purpose of the investigation

Question 4

Investigator effects

Answer 4

Any effect of the investigators behaviour on the researcher (eg. design of the study to the selection of, interaction with participants during the process.

Question 5

Randomisation

Answer 5

The use of chance in order to control for effects of bias when designing materials and deciding the order of conditions

Question 6

Standardisation

Answer 6

Using same formalised procedures and instructions for all participants in the study