3.9.1 Multiple comparisons

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Making multiple comparisons of country means that the likelihood of overestimating significant results is increased. You might want to make an additional adjustment such as those used in PISA -

Wikipedia multiple comparisons entry

OECD Profile of Student Performance in Mathematics (PISA) (PDF)

PISA multiple comparisons graph

Fig: PISA multiple comparisons graph

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3.1 Introduction
3.2 Learning objectives
3.3 Preparation
3.4 Things to look for in assessing microdata
3.5 Getting started
- 3.5.1 What happens when the results are questioned: Three different examples
- 3.5.2 Choosing your analysis platform
3.6 Applying weights
- 3.6.1 Example - the European Social Survey has two weights
- 3.6.2 Working with weights - practical issues
3.7. Preparing the data ready for analysis
- 3.7.1 Organising and documenting your analysis
- 3.7.2 Some do's and don't in managing your analysis
3.8. Documenting your analysis
3.9. Presenting your results
3.10 Further Exploration
3.11 Suggested reading