(See related pages)
Studying this chapter should enable you to:
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Describe briefly the purpose of experimental research. |
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Describe the basic steps involved in conducting an experiment. |
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Describe the two ways in which experimental research differs from other forms of educational research. |
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Explain the difference between random assignment and random selection and the importance of each. |
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Explain what is meant by the phrase "manipulation of variables" and describe three ways in which such manipulation can occur. |
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Distinguish between examples of weak and strong experimental designs and draw diagrams of such designs. |
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Identify various threats to internal validity associated with different experimental designs. |
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Explain three ways in which various threats to internal validity in experimental research can be controlled. |
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Explain how matching can be used to equate groups in experimental studies. |
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Describe briefly the purpose of factorial and counterbalanced designs and draw diagrams of such designs. |
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Describe briefly the purpose of a time-series design and draw a diagram of this design. |
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Describe briefly how to assess probably threats to internal validity in an experimental study. |
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Recognize an experimental study when you see one in the literature. |