Applied Biostatistics (E04N0A)
- Linking Biomedical research questions to the appropriate statistical data analysis tools. - Understanding the limitations and advantages of each tool. - Correct interpretation and raportation of data analyses, statistically and considering the research question. - Understanding statistical methodes and output in biomedical literature.
Type : partial/permanent evaluation with exam during the exam period Evaluation form : written, take-home questions : multiple choice, open questions study material : Formularium, calculator
4/20 on the take-home, 16/20 on the written exam
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exam questions from earlier years
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Exam questions of '12 - '13
(This wasn't from Professor Vercauteren)
1. Explain p-value
2. Explain negative Beta
3. Explain positive interaction term
4. Survival Analysis: explain the difference between Log-Rank and Wilcoxon test (and the results)
Exam questions of '13 - '14
1. 12 theory questions (+0,5 if correct, -0,25 if incorrect). Answer true or false.
- definition of p-value
- other term for cross-sectional is cohort study
- other term for retrospective study is prevalence study
- R^2 raises when adding variables. Only add those that decrease Res MS.
2. 10 little exercises (0,5 point each), you only had to give the end result
- calculate regression line
- calculate R^2
- calculate Pearson correlation
- calculate 95% CI
- calculate t and p-value (from R-script)
- calculate z and p-value
- calculate specificity
3. 1 exercise, you have to give the complete steps (5 points)
a. What test to compare 4 groups, perform the test and report a p-value.
b. linear contrast on those 4 groups (have to determine the c's yourself)
c. Same, but perform a Scheffé correction for multiple testing