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Overview SPSS Nonparametric Tests

SPSS Nonparametric Tests

Nonparametric Tests - One Sample

SPSS Z-Test for a Single Proportion

Z-tests were introduced to SPSS version 27 in 2020.

This tutorial quickly walks you through z-tests for single proportions:

  • which options should you select?
  • how to interpret the output?
  • which assumptions should you meet -and how to test these?
  • and way more...

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Binomial Test – Simple Tutorial

A binomial test examines if a population percentage is equal to x.

Example: is 45% of all Amsterdam citizens currently single? Or is it a different percentage?

This simple tutorial quickly walks you through the basics.


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SPSS Binomial Test Tutorial

This tutorial walks you through running and interpreting a binomial test in SPSS.

With step-by-step example on downloadable practice data file.


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SPSS Sign Test for One Median – Simple Example

SPSS sign test for one median the right way. Recode your outcome variable into values higher and lower than the hypothesized median and test if they're distribted 50/50 with a binomial test.
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Nonparametric Tests - 2 Independent Samples

SPSS Z-Test for Independent Proportions Tutorial

Z-tests were introduced to SPSS version 27 in 2020.

This tutorial quickly walks you through z-tests for 2 independent proportions:

  • which options should you select?
  • how to interpret the output?
  • which assumptions should you meet -and how to test these?
  • and way more...

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SPSS Mann-Whitney Test – Simple Example

The Mann-Whitney test is an alternative for the independent samples t test when the assumptions required by the latter aren't met by the data. The most common scenario is testing a non normally distributed outcome variable in a small sample (say, n < 25).
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SPSS Median Test for 2 Independent Medians

SPSS median test evaluates if two groups of respondents have equal population medians on some variable. This easy tutorial quickly walks you through.
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Nonparametric Tests - 3(+) Independent Samples

How to Run a Kruskal-Wallis Test in SPSS?

The Kruskal-Wallis test is a nonparametric alternative for a one-way ANOVA.

This tutorial shows when to use it and how to run it in SPSS.


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SPSS Wilcoxon Signed-Ranks Test – Simple Example

SPSS Wilcoxon Signed-Ranks test is used for comparing two metric variables measured on one group of cases. It's the nonparametric alternative for a paired-samples t-test when its assumptions aren't met.
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SPSS McNemar Test

SPSS McNemar test is a procedure for testing whether the proportions of two dichotomous variables are equal. The two variables have been measured on the same cases.
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SPSS Sign Test for Two Medians – Simple Example

SPSS sign test for two related medians tests if two variables measured in one group of people have equal population medians.
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SPSS Friedman Test Tutorial

SPSS Friedman test compares the means of 3 or more variables measured on the same respondents. Like so, it is a nonparametric alternative for a repeated-measures ANOVA that's used when the latter’s assumptions aren't met.


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SPSS Cochran Q-Test

SPSS Cochran's Q test is a procedure for testing whether the proportions of 3 or more dichotomous variables are equal. These outcome variables have been measured on the same people or other statistical units.
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