How do I know which statistical test I should use to test my hypothesis?
How many variables are you analyzing at the same time?
(One)
(Two)
What type of measurement scale
is used to measure the variable?
(Nominal/Ordinal)
Univariate
Chi-square
Is at least one of the variables
interval/ratio scale?
(Interval/Ratio)
(No)
One-sample t-test or
Confidence Interval
Chi-square
(Yes)
Testing for differences
between means or
association between
variables?
(Means)
(Association)
Please see
Other side
Correlation
Coefficient
Are the groups independent
or related?
(Independent)
(Related)
How many groups?
Paired-Samples t-test
(Two)
Independent-Samples t-test
(Three or more)
ANOVA