For all inferential tests we will apply the same steps. These are:
Review the research question and research design - Identify the relevant variables and set the hypotheeses - Decide on the test. (all covered under research design already)
Check your data (explore)... Think.... Be aware of the assumptions of the test.
Do the Test in SPSS (including checking the assumptions of the test)
Interpret the results.
Write up your results in APA style.
Anova build on the t-test. Therefore we start with a revisionon of terminology. file will be updated
is just an extension of the t-test between groups to 3+ groups.
Shows SPSS commands, output and reporting results
Once you understand these t-test thouroghly Anovas will be easy to understand.
is just an extension of the t-test between groups to 3+ groups.
Shows SPSS commands, output and reporting results
consider these alternative tests, If your samples are small and the test assumptions are violated.
These are non-parametric tests, based on ranking the data, and looking at the sums of the ranks, rather than adding the original data.
Worksheets are optional but recommended.
I recommend this worksheet. If you find it difficult, do the optional worksheets above first.
(was covered in December)
Enjoy. 2.5 min
by Prof. jeff Gallak, 9 min
your questions answered and a bit more