Abstract. Find a documented quasi-experiment in the scientific literature.
Describe the experiment and outcome.
1. Introduction: Quasi-Experiments
A quasi-experiment is a study in which the researcher does not have full
control over the assignment of subjects to treatments. Breakwell says
many of the research questions that we would like to answer simply
cannot be answered by resorting to true experiments. This is
usually because either we cannot randomly allocate participants to
treatment conditions for practical reasons or it would be unethical
to do so (e.g. if it would mean withholding treatment from someone
who needs it). In the computer skills example above, for instance,
we could not randomly allocate children to the schools. Quasiexperiments
should not be seen, however, as always inferior to
true experiments. Sometimes quasi-experiments are the next logical
step in a long research process where laboratory-based experimental
findings need to be tested in practical situations to see if the findings
are really useful. Laboratory-based experiments often reveal
intriguing insights, yet the practical importance, or substantive
significance, of these can only be assessed quasi-experimentally.
You can learn much more about quasi-experiments in Chapter 4 of Breakwell’s
Research Methods in Psychology, available on the course Blackboard site.
Using the resources of the John Peace Library, find a peer-reviewed paper
documenting a quasi-experiment. Then write a brief report describing it.
In your report, provide
• A brief description of the experiment, including the source reference.
• Categorize the experiment according to the three types listed in Blackwell.
• Describe the results of the experiment
Abstract. Find a documented quasi-experiment in the scientific literature. Describe the experiment and outcome.
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