9. Two Samples from Two Populations

  1. Dieter Rasch1,
  2. Klaus D. Kubinger2 and
  3. Takuya Yanagida2

Published Online: 28 OCT 2011

DOI: 10.1002/9781119979630.ch9

Statistics in Psychology Using R and SPSS

Statistics in Psychology Using R and SPSS

How to Cite

Rasch, D., Kubinger, K. D. and Yanagida, T. (2011) Two Samples from Two Populations, in Statistics in Psychology Using R and SPSS, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781119979630.ch9

Author Information

  1. 1

    University of Life Sciences, Vienna, Austria

  2. 2

    University of Vienna, Austria

Publication History

  1. Published Online: 28 OCT 2011
  2. Published Print: 2 DEC 2011

ISBN Information

Print ISBN: 9780470971246

Online ISBN: 9781119979630

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Keywords:

  • two samples, two populations;
  • statistical tests, comparing parameters;
  • Everyday Knowledge;
  • non-centrality parameter;
  • two-sample t-test;
  • two-sample Welch test;
  • homogeneous variances;
  • validity of psychological test;
  • U-test;
  • equivalence testing

Summary

This chapter contains sections titled:

  • Hypothesis Testing, Study Planning, and Sequential Testing Regarding the Unknown Parameters µ1 and µ2

  • Hypothesis Testing, Study Planning, and Sequential Testing for Other Parameters

  • Equivalence Testing

  • References