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- Paired_difference_test abstract "In statistics, a paired difference test is a type of location test that is used when comparing two sets of measurements to assess whether their population means differ. A paired difference test uses additional information about the sample that is not present in an ordinary unpaired testing situation, either to increase the statistical power, or to reduce the effects of confounders.Specific methods for carrying out paired difference tests are, for normally distributed difference t-test (where the population standard deviation of difference is not known) and the paired Z-test (where the population standard deviation of the difference is known), and for differences that may not be normally distributed the Wilcoxon signed-rank test. In addition to tests that deal with non-normality, there is also a test that is robust to the common violation of homogeneity of variance across samples (an underlying assumption of these tests): this is Welch's t-test, which makes use of unpooled variance and results in unusual degrees of freedom (e.g. df' = 4.088 rather than df = 4).The most familiar example of a paired difference test occurs when subjects are measured before and after a treatment. Such a \"repeated measures\" test compares these measurements within subjects, rather than across subjects, and will generally have greater power than an unpaired test.".
- Paired_difference_test wikiPageExternalLink Pairwise.
- Paired_difference_test wikiPageExternalLink pwisecomp.html.
- Paired_difference_test wikiPageExternalLink Pairwise&cd=1&hl=en&ct=clnk&source=www.google.com.
- Paired_difference_test wikiPageExternalLink 00576.PDF.
- Paired_difference_test wikiPageID "23004551".
- Paired_difference_test wikiPageLength "18758".
- Paired_difference_test wikiPageOutDegree "31".
- Paired_difference_test wikiPageRevisionID "693254377".
- Paired_difference_test wikiPageWikiLink Average.
- Paired_difference_test wikiPageWikiLink Blocking_(statistics).
- Paired_difference_test wikiPageWikiLink Category:Hypothesis_testing.
- Paired_difference_test wikiPageWikiLink Confounding.
- Paired_difference_test wikiPageWikiLink Correlation_and_dependence.
- Paired_difference_test wikiPageWikiLink Cumulative_distribution_function.
- Paired_difference_test wikiPageWikiLink Expected_value.
- Paired_difference_test wikiPageWikiLink Location_test.
- Paired_difference_test wikiPageWikiLink Matching_(statistics).
- Paired_difference_test wikiPageWikiLink Normal_distribution.
- Paired_difference_test wikiPageWikiLink Null_hypothesis.
- Paired_difference_test wikiPageWikiLink Observational_study.
- Paired_difference_test wikiPageWikiLink One-_and_two-tailed_tests.
- Paired_difference_test wikiPageWikiLink Pairwise_comparison.
- Paired_difference_test wikiPageWikiLink Random_effects_model.
- Paired_difference_test wikiPageWikiLink Sample_(statistics).
- Paired_difference_test wikiPageWikiLink Sign_test.
- Paired_difference_test wikiPageWikiLink Statistical_power.
- Paired_difference_test wikiPageWikiLink Statistical_significance.
- Paired_difference_test wikiPageWikiLink Statistics.
- Paired_difference_test wikiPageWikiLink Students_t-test.
- Paired_difference_test wikiPageWikiLink Type_I_and_type_II_errors.
- Paired_difference_test wikiPageWikiLink Variance.
- Paired_difference_test wikiPageWikiLink Welchs_t_test.
- Paired_difference_test wikiPageWikiLink Wilcoxon_signed-rank_test.
- Paired_difference_test wikiPageWikiLink Z-test.
- Paired_difference_test wikiPageWikiLinkText "Paired difference test".
- Paired_difference_test wikiPageWikiLinkText "matching method".
- Paired_difference_test wikiPageWikiLinkText "paired difference test".
- Paired_difference_test wikiPageWikiLinkText "paired samples".
- Paired_difference_test wikiPageUsesTemplate Template:Math.
- Paired_difference_test wikiPageUsesTemplate Template:More_footnotes.
- Paired_difference_test wikiPageUsesTemplate Template:Mvar.
- Paired_difference_test wikiPageUsesTemplate Template:Reflist.
- Paired_difference_test subject Category:Hypothesis_testing.
- Paired_difference_test hypernym Test.
- Paired_difference_test type Cricketer.
- Paired_difference_test type Econometric.
- Paired_difference_test comment "In statistics, a paired difference test is a type of location test that is used when comparing two sets of measurements to assess whether their population means differ.".
- Paired_difference_test label "Paired difference test".
- Paired_difference_test sameAs Q7125133.
- Paired_difference_test sameAs m.064kgd4.
- Paired_difference_test sameAs Q7125133.
- Paired_difference_test wasDerivedFrom Paired_difference_test?oldid=693254377.
- Paired_difference_test isPrimaryTopicOf Paired_difference_test.