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Taking it Step by Step
Taking it Step by Step
One-way Anova is an expansion of the t-tests to 3 and more groups.
One-way Anova is an expansion of the t-tests to 3 and more groups.
Basic Rules for Hypothesis Testing
Basic Rules for Hypothesis Testing
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.
Terminology Revision.docxRevision Infrerential Tests Key Terminology
Revision Infrerential Tests Key Terminology
Anova build on the t-test. Therefore we start with a revisionon of terminology. file will be updated
Adv. research SPSS_4 1 One-Way Anova 1 Between Groups.pdfOne -Way Anova Between Groups (Part 1)
One -Way Anova Between Groups (Part 1)
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.
Adv. Research SPSS_4 2 SPSS One-Way Anova Within Groups.pdfOne -Way Anova Within Groups (Part 2)
One -Way Anova Within Groups (Part 2)
is just an extension of the t-test between groups to 3+ groups.
Shows SPSS commands, output and reporting results
****Querry about reporting of Maulchy's test: Should I report Maulchy's W or Chi-square as test statistics? You can report either one. Both, Mauchly's W and Chi-square, are valid test statistics. Maulchy's W is the more traditional one. Chi-Square seems more used recently.
Adv.Research SPSS_4_3 NonParametricTests.pdfNonparametric Alternatives to T-test and ANOVA
Nonparametric Alternatives to T-test and ANOVA
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.
Data Sets & worksheets
Data Sets & worksheets
Worksheets are optional but recommended.
2025 Worksheet 3 SPSS One-way Anova - recommended.docxWorksheet 3
Worksheet 3
I recommend this worksheet. If you find it difficult, do the optional worksheets above first.
Revision Power and Effect size
Revision Power and Effect size
06_Power- Effect Size and Sample Size 2023 update.pdfPower and Effect Size
Power and Effect Size
(was covered in December)
Addititonal Resources
Addititonal Resources
Still questions about power and p values?
Still questions about power and p values?
Enjoy. 2.5 min
Great intuitive explanation of significant results and p-values
Great intuitive explanation of significant results and p-values
by Prof. jeff Gallak, 9 min
FAq Advanced Research V1 Jan 2021.pptxFrequently Asked Questions
Frequently Asked Questions
your questions answered and a bit more
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