Statistical tests
For the simple statistical techniques listed below, click to find out what the method is for, download a worked example or download instructions for applying the technique using SPSS, with a test data file to practice on.
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example |
SPSS instructions |
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t--test |
2 sample example |
2 sample SPSS instructions paired SPSS instructions |
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Correlation |
|
|
SPSS instructions |
Mann Whitney U test |
example |
SPSS instructions |
|
Wilcoxon test |
example |
|
|
Spearman correlation |
example |
|
|
Kruskal Wallis |
example |
|
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Friedman test |
example |
|
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Analysis of variance (ANOVA) |
example |
|
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Post hoc test |
example |
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Chi-squared testOther topics
Confidence intervals Download a guide
What are confidence intervals? HTO Davies, 2001.
www.jr2.ox.ac.uk/bandolier/painres/download/whatis/What_are_Conf_Inter.pdf
Bonferroni adjustment for multiple comparisons - what is it?
Logistic regression - what is it?
Meta analysis Download a guide:
What is meta-analysis?, HTO Davies and IK Crombie, 2001,
www.jr2.ox.ac.uk/bandolier/painres/download/whatis/Meta-An.pdf
Systematic review Download a guide:
What is a systematic review?, HTO Davies and IK Crombie, 2001,
www.jr2.ox.ac.uk/bandolier/painres/download/whatis/Syst-review.pdf
