A quasi-experimental design is one that looks a bit like an experimental design but lacks the key ingredient -- random assignment. My mentor, Don Campbell, often referred to them as "queasy" experiments because they give the experimental purists a queasy feeling.
www.socialresearchmethods.net/kb/quasiexp.htm www.socialresearchmethods.net/kb/quasiexp.htm
Quasi-experimental design - Wikipedia, the free encyclopedia
A quasi-experiment is a scientific research method primarily used in the social sciences. "Quasi" means likeness or resembling, so therefore quasi-experiments share characteristics of true experimen...
en.wikipedia.org/wiki/Quasi-experimental_design
Planning an experimental study ... To read about experimental and quasi-experimental research, click on the items below: ... Basic Concepts of Experimental and Quasi-experimental Research...
writing.colostate.edu/guides/research/experiment/
Discovering causal relationships is the key to experimental research. In abstract terms, this means the relationship between a certain action, X, ... To read about basic concepts of experimental and quasi-experimental research, click on the items below: ... Differences between Quasi-Experimental and Experimental Research...
writing.colostate.edu/guides/research/experiment/pop2b.... writing.colostate.edu/guides/research/experiment/pop2b.cfm
study Pre-test Response Experimental Group Magnitude of electricity consumed Magnitude of electricity consumed Treatment Conditions Equal Monthly payment plan Post-test Response Magnitude of electricity consumed Magnitude of electricity consumed Control Group Conventional payment plan 8 Results of Becker et al.
hcc.cc.gatech.edu/getDocument.php?doc=39
Quasi-experimental designs were developed to deal with the messy world of field research, where it is not always practical, ethical, or even possible to randomly assign persons to experimental and control groups.
www.fammed.ouhsc.edu/tutor/qexpdes.htm
QUASI-EXPERIMENTAL RESEARCH DESIGNS ... Quasi-experimental designs came about because of: 1) difficulty of applying the classical natural science method to the social sciences 2) overemphasis on theory testing and development 3) high cost of classic natural science methods 4) development of new statistical tools that...
www.csulb.edu/~msaintg/ppa696/696quasi.htm www.csulb.edu/~msaintg/ppa696/696quasi.htm
Amazon.com: Experimental and Quasi-Experimental Designs for
Price:  $114.95     8 Reviews
Experimental and Quasi-Experimental Designs for Generalized Causal Inference (Paperback) ... 5.0 out of 5 stars Experimental and Quasi Experimental Designs; The book arrived in good shape and withing promised time. However when I order books from other sellers they are shipped rightaway and if they have not been shipped it...
Amazon.com  · More about this product »
Quasi-experimental methods are typically used in impact evaluations when experiments are infeasible. Impact evaluations, including those with experimental designs, measure the impact of government programs, policies, or other "treatments" on, for example, people, families, neighborhoods, or firms.
www.urban.org/toolkit/data-methods/quasi-experimental.c... www.urban.org/toolkit/data-methods/quasi-experimental.cfm
quasi-experimental design: This category of design is most frequently used when it is not feasible for the researcher to use random assignment. ... This article describes the strengths and limitations of specific types of quasi-experimental and true experimental design.
pareonline.net/getvn.asp?v=5&n=14
Definitions