This lesson will explain psychological research through defining the basic research design concepts of theory and hypothesis while giving an overview of how to understand psychological research.
Source: Scientific Method; Public Domain: http://1.usa.gov/XCFaak
Psychologists use research to refine or define theories. Theories led to the development of hypotheses which are then tested through psychological research.
A prediction about the effect of or relationship between different things being measured in research; an educated guess.
A summary of multiple hypotheses supported by existing data that predicts future outcomes.