Research Issues

Question 1

Extraneous variables

Answer 1

any variables other than the IV that may affect the DV if its not controlled

Question 2

Confounding Variables (CV)

Answer 2

a variable other than the IV that varies systematically with the DV so we can’t tell if the DV is changed by IV/CV

Question 3

Demand Characteristics

Answer 3

cues from the researcher that may be interpreted by participants as revealing the aim of the experiment/what behaviour is expected.

Question 4

Investigator effects

Answer 4

Any effect of the investigators behaviour on the research outcome and/or dependent variable

Question 5

Randomisation

Answer 5

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

Question 6

Standardisation

Answer 6

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