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Resources Overview

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Choose the Appropriate Statistical Test

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Calculators

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Sample Size for Proportion

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Confidence Interval for Proportion

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Confidence Interval for Means

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Normal Approximation to Binomial Test

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Z-Test for Proportions

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McNemar Test

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T-Test for Means

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Glossary

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TAG Users Group

Resources

ur resources—and, therefore, your resources as well—are as broad as the universe and as deep as the ocean. That’s a wordy way of saying that we have extensive capabilities…the ability to extend those capabilities to include whatever resources your project might need…and a depth of both personal and professional contacts in the research world:

  • To help determine which type of statistical test is appropriate for your study data, use Dimension Research’s Statistical Test Chooser to tell you which test to use.
  • Once you have determined which test is appropriate, you may find a calculator on our site which will do the analysis for you. If not, contact us and we will be happy to assist you with any analysis you require. Other calculators will help in determining which sample size you need for your study.
  • Our glossary will explain the various terminologies that are common to our studies—but not necessarily common usage for everyone visiting this site.
  • Click here to connect with some of the profession’s finest research associations.


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