Ecological Study

Learning
Objectives		   >   Introduction
to Study		   >   Student
Role		   >   Study
Design		   >   Data
Collection		   >   Data
Analysis		   >   Discussion
Questions

Step 1: Learning Objectives

  1. Apply the principles of ecologic studies:
    1. Define study hypothesis
    2. Define the difference between individual and group characteristics
    3. Define the source population for the study
    4. Describe sources of information for ecological studies
  2. Employ steps in data analysis of ecologic studies to analyze the data:
    1. Administrative procedures before start of the study
    2. Calculate incidence rates based on simple counts
      • Interpret your estimates
    3. Plot incidence rate against exposure
      • Interpret your plots
  3. Explain your findings and discuss problems in data analysis:
    1. Explain your conclusions
    2. Give your suggestions for carrying out ecologic study
    3. Define and explain ecologic fallacy
    4. Describe ecological studies in terms of validity, cost effectiveness, time requirement and ability to estimate measure of effect
    5. Describe ecological studies in comparison with cohort and case-control studies
    6. Discuss the value of statistical data analysis for conclusions about causality of the exposure-outcome relationship
Learning
Objectives		   >   Introduction
to Study		   >   Student
Role		   >   Study
Design		   >   Data
Collection		   >   Data
Analysis		   >   Discussion
Questions
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