a research method for investigating cause and effect
a researcher must be precise about the sample
it targets some population
it is run under highly controlled conditions
subjects respond to a series of statements or questions on a questionnaire or in an interview
it is created to test a hypothesis
it typically describes findings, showing people’s views on some issue
it is used to study what cannot be observed directly
it might provide clues about cause and effect
a researcher gathers the evidence to reject or accept the hypothesis
it follows the logic of science
it is typically explanatory
