Epistemis

Epidemiology: Study Designs — Advanced Methodology and Biostatistics

Public Health and Epidemiology · Clinical Bases

How it begins

Un análisis exhaustivo y matemáticamente riguroso de la arquitectura metodológica en investigación epidemiológica. Del reporte descriptivo al ensayo clínico aleatorizado y los modelos de aleatorización mendeliana.

What it covers

  1. Fundamentals of Methodology and Causal Inference
  2. · 1.1 Historical Evolution of Research Designs
  3. · 1.2 Causal Models: Triad, Rothman and Bradford Hill Criteria
  4. · 1.3 Methodological Axes of Classification
  5. Descriptive and Ecological Studies
  6. · 2.1 Reports and Clinical Case Series
  7. · 2.2 Ecological or Correlation Studies
  8. · 2.3 The Phenomenon of the Ecological Fallacy
  9. Cross-Sectional Studies
  10. · 3.1 Methodological Architecture and Sampling Strategies
  11. · 3.2 Measures of Association: Prevalence Ratio (PR) and Prevalence Odds Ratio (by)
  12. · 3.3 Neyman Bias (Prevalence-Incidence), Length and Temporal Ambiguity
  13. Case and Control Studies
  14. · 4.1 Methodological Selection of Cases and Controls
  15. · 4.2 The Matching Process and the Overlap Phenomenon
  16. · 4.3 Mathematical Demonstration of the Odds Ratio as an Estimator of Relative Risk
  17. · 4.4 Advanced Methodological Variants
  18. Cohort Studies
  19. · 5.1 Temporal Taxonomy of Cohorts
  20. · 5.2 Frequency Quantification: Cumulative Incidence and Incidence Rate
  21. · 5.3 Association Measures and Population Impact
  22. · 5.4 The Challenge of Tracking Losses (Attrition Bias)
  23. Randomized Clinical Trials
  24. · 6.1 Randomization and Masking Methodology
  25. · 6.2 Design Variations: Parallel, Crossover and Factorial
  26. · 6.3 Analysis Paradigms: Intention to Treat (ITT) versus Per Protocol (PP)
  27. · 6.4 Ethics and Integrity in Clinical Research
  28. Quasi-Experimental Designs
  29. · 7.1 Analysis of Interrupted Time Series (ITS)
  30. · 7.2 Regression Discontinuity Design (RDD)
  31. · 7.3 Difference in Differences (DiD) Methodology
  32. Modern and Advanced Epidemiological Designs
  33. · 8.1 Mendelian Randomization
  34. · 8.2 Real Life Evidence (RWE) and Real Life Data (RWD)
  35. Systematic Reviews and Meta-Analysis
  36. · 9.1 PRISMA Search and Declaration Methodology
  37. · 9.2 Mathematical Models: Fixed Effects vs. Random Effects
  38. · 9.3 Evaluation and Quantification of Heterogeneity
  39. · 9.4 Publication Bias: Funnel Plot, Egger Test and Trim-and-Fill
  40. · 9.5 Network Meta-Analysis
  41. Systematic Errors, Confusion and Interaction
  42. · 10.1 Taxonomy of Biases in Epidemiology
  43. · 10.2 Control of Confounding Variables
  44. · 10.3 Biological Interaction and Effect Modification
  45. Reporting and Scientific Rigor Guides

The complete study guide is in the app

This page summarizes the outline. The full interactive study guide —with high-yield diagrams, clinical tables, and board review cases— can be read inside Epistemis, completely offline and ad-free.

Subject
Public Health and Epidemiology
Category
Clinical Bases
Type
Study Guide
Sections
45
Reviewed
2026-08-02
Download Epistemis