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Introduction forelesning (Statistics (Uncertainties (Differences among…

- - - - 2. Experiment
        
        3. Check if data fit with hypothesis
        
        sometimes: not possible to do experiments
        
        Anything on humans
        
        Ways humans are harmed
        
        e.g.
        
        smoking
        
        human embrios
        
        Greenhouse gases
        
        Not to huge extents
        
        Sample size is only 1 (the globe)
      - Flemming; peniccillin
        
        By chance, was researching something else
  - - - pattern
      - observation
      - 2. suggest alternative explenations (research hypothesis)
        
        Be openminded to different explenations
        
        3. use logic to generate predictions
        
        4. Distinguish among hypotheses by comparing predictions with data
        
        STATISTICS CONTRIBUTE
        
        Mathematical model
        
        Simple logic
        
        STATISTICS CONTRIBUTE SOMEWHAT
      - STATISTICS CONTRIBUTE
- - - - (from many sources)
  - - - Individuals
      - Groups
      - Populations
- - - - Garbage in -> garbage out
      - If you have a poor study design, you are doomed