1  NURS 60N: Foundations of Biostatistics for Nursing Research and Evidence-Based Practice

This “chapter” contains links to the presentations and materials covered in the first course of this curriculum, NURS 60N.

1.1 Major Principles

  • Randomness & Variables
  • Samples vs. Populations
    • Evaluation vs. Research
  • Descriptive vs. Inferential Statistics
    • Parametric vs. Non-Parametric Analyses

Related is this online demonstration of the Central Limit Theorem

1.2 Frequencies & Counts

  • Frequencies & Relative Frequencies
  • Probabilities
    • Risks & Risk Ratios
    • Hazards & Hazard Ratios
  • Odds & Odds Ratios
  • Contingency / cross tables
    • Fisher’s Exact Test
  • Important Distributions
    • Normal Distribution
      • Q-Q Plots
    • χ² Distribution

Related is this Shiny app to practice matching the distribution to the Q-Q plot

1.3 Measuring & Testing Differences

  • Review of Assumptions in Inferential Statistics
  • Hypothesis Testing
  • Signal-to-Noise Ratio
  • Common Tests: t & F

1.4 Power and Effect Size

  • Review & Elaboration of Hypothesis Testing
  • Power
  • Effect Size

1.5 Association & Causation

  • Individual Differences and Correlations
  • Types of Correlation Statistics
  • Partial and Semipartial Correlations
  • Concerning Causality

1.6 The ANOVA Family of Tests

  • Basic Concepts of ANOVAs
  • Example of Main Effects & Interactions
  • Types of ANOVAs
  • t- & F-Tests Roles & Nature
  • Post hoc Comparisons
  • Reference Tables for ANOVA Terms