Tools

Tutorials

Illustrative and interactive statistics (stats) tutorials and calculators for healthcare workers, researchers, and students of science.

• Positive Predictive Value (PPV): What is it?
• Negative Predictive Values (NPV) – learn more
• The Relative Risk – What is it?
• Test Sensitivity: What is it?
• Two trials in different populations?
• Test Specificity – What is it?
• The Odds Ratio: Make sense of an odd statistic