Basic & Clinical Biostatistics, 4th Edition

Appendix C: Flowcharts for Relating Research Questions to Statistical Methods

Flowchart to Use

Research Questions

C-1

Is there a difference in means or medians (ordinal or numerical measures)?

C-2

Is there a difference in means or medians (ordinal or numerical measures, three or more groups)?

C-3

Is there a difference in proportions (nominal measurs)?

C-4

Is there an association?

C-5

Is there a difference in measures of association?

C-6

Are there two or more independent variables?

Figure C-1. Is there a difference in means or medians (ordinal or numerical measures)?

Figure C-2. Is there a difference in means or medians (ordinal or numerical measures, three or more groups)?

Figure C-3. Is there a difference in proportions (nominal measures)?

Figure C-4. Is there an association?

Figure C-5. Is there a difference in measures of association?

Figure C-6. Are there two or more independent variables?



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