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Stephen F. Davis

In: 21st Century Psychology: A Reference Handbook

Chapter 8: Nonexperimental Research Methods

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Nonexperimental Research Methods
Nonexperimental research methods

Randolph Smith's chapter on Experimental Designs (see Chapter 9) indicates that experimental research, in which researchers directly manipulate independent variables (IVs) about which they seek to gather information, record changes in dependent variables (DVs), and control extraneous variables that might produce a flawed experiment, yields the strongest cause-andeffect results. However, not all research projects use the experimental method; in fact, researchers have developed a large number of nonexperimental techniques. Although they are classified as nonexperimental, these methods do not necessarily produce inferior results. The choice of a nonexperimental research strategy depends on the type of problem the researcher is interested in, where the research is conducted, and the type of data the researcher gathers. We will examine several types of ...

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