a research design wherein there is no control group and no random designation of people to experimental conditions. This type of design is thereby of little value in establishing causality.
PREEXPERIMENTAL DESIGN: "The preexperimental design will not do much for you if you are wanting to show cause and effect."
Cite this page: N., Sam M.S., "PREEXPERIMENTAL DESIGN," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/preexperimental-design/ (accessed March 22, 2023).
