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Testing Introduction

If you use SPSS to perform a statistical test, you need to know what you are doing. If you present SPSS with a set of numbers and a command it will do the requested calculations. But it won't double-check the choices that you as a user have made.

For some tests the number of respondents needs to be large enough, a distribution needs to be bell-shaped, the level of measurement of the variables involved needs to be right. Checking conditions like these is your responsibility.

Our website offers the following topics regarding testing of hypotheses:

Don't forget to check the SPSS Help at http://publib.boulder.ibm.com/infocenter/spssstat/v20r0m0/index.jsp for further support:

ibm helpdesk home ibm helpdesk overview
statistics coach The statistics coach (shown on the left) is a good way to chose your SPSS technique based on what you want to do and what kind of variables you have to do it.

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Last modified 30-10-2012

© Jos Seegers, 2009; English version by Gé Groenewegen.