Definable subject matter
Theory construction and hypotheses to be tested.
Facts need to be established by hypothetical investigation.
The aim must be to discover general laws or principles which govern natural phenomena and are universal.
The use of the experiment in psychology has produced a method whereby we have a controlled form of observation.
Experiments on humans tend to make the assumption that individual human qualities don’t exist.
Generalising the results of an experiment poses problems.
The experimental situation offers analysis of the cause and effect relationship between variables
The experimental method gives us the opportunity to check other researcher’s findings
Freedom versus determinism
Nature versus nurture
Idiographic versus nonconcrete explanations