The experimental method Flashcards
1
Q
Define the aim of an investigation.
A
A statement of what the researcher intends to investigate or find out in a study.
2
Q
Define experiment.
A
A research method where causal relationships can be drawn because an IV has been deliberately manipulated to observe the causal effect on the DV.
3
Q
Define extraneous variables.
A
Do not very systematically with the IV (don’t act as an alternative IV) but my impact the DV. ‘Nuisance variables’.
4
Q
Define confounding variable.
A
A variable that is not the IV but systematically varies with the IV. It will impact the DV and will be impossible to control for.
5
Q
Define hypothesis.
A
Precise and testable statement about the assumed relationship between variables. Variables must be mentioned and operationalised.
