What statistical analysis should I use

What statistical analysis should I use?
Statistical analyses using SPSS
Introduction
This page shows how to perform a number of statistical tests using
SPSS. Each section gives a brief description of the aim of the statistical test,
when it is used, an example showing the SPSS commands and SPSS (often
abbreviated) output with a brief interpretation of the output. You can see
the page Choosing the Correct Statistical Test for a table that shows an
overview of when each test is appropriate to use. In deciding which test is
appropriate to use, it is important to consider the type of variables that you
have (i.e., whether your variables are categorical, ordinal or interval and
whether they are normally distributed), see What is the difference between
categorical, ordinal and interval variables? for more information on this.

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