quasi-experimental design
Definition:
A research design which contains some of the controls and manipulations of experimental design, but usually lacks random assignment of subjects. A before-after study is an example of a quasi-experimental design.
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© Westburn Publishers Ltd 2002, The Westburn Dictionary of Marketing edited by Michael J Baker, ISBN 978-0-946433-01-8. www.themarketingdictionary.com. Entry: [Stephen K. Tagg], [1998].