Independent Variable

Variable the experimenter maipulates

Dependent Variable

variable measured to see if the independent variable has had an effect

Hypothesis

Prediction of the experiment on how two (or more) factors impact each other.

Correlational research method

Name all limitations that can occur in an experiment

Sample Issues Confounding variables Ethical concerns operalisation issues lack of control demand characteristics, social desireability, etc.

How does sampling issues affect the experiment?

limits generalisation

How does confounding variables affect the experiment?

makes causation unclear

How do ethical concerns affect the experiment?

limits validity of findings

How does operalisational issues affect the experiment?

does not accurately capture behaviour/attitude/belief

How does lack of control affect the experiment?

no certainty differences are caused by independent variable

How does demand characteristics, social desireability, etc. affect the experiment?

reduces interal validity

how to write a hypothesis

Identify IV and DV identify prior research state a relationship is it testable and specific?

T-test

statistical analysis that compares the differences between the two groups and shows whether the means are statistically different

extraneous variables

variables not of particular interest but can affect the result of the experiment so must be carefully controlled.