Things to Watch for in Various Types of Studies

In addition to all the problems of designing good measurement instruments (especially when people are involved), each type of study has its own pitfalls to avoid. Proper statistical design of these studies will take these into account. A good report of a statistical study should convince you that this has been done.

Sample Survey


  • Observational Study

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    Source: Based on Seeing Through Statistics, 2nd ed. by Jessica Utts, pages 58, 77, and 84.

    This page maintained by:
    Randall Pruim
    Department of Mathematics and Statistics
    Calvin College

    Last Modified: Thursday, 11-Jan-2001 16:02:18 EST