• Is effect modification a synonym of confounding?
• What is antagonistic and positive interaction in epidemiology?
• What effect (confounding/interaction/ effect modification) can be defined on the bases of homogeneity or heterogeneity of effect?
• What is study protocol?
• Why are pilot studies planned?
• Provide brief information on specificity and sensitivity and why and when such measures are considered in epidemiological studies.
• Please share your understanding on the following factors that may dictate acceptability for publication of a quality report:
  • Positive versus negative results
  • Statistical significance
  • Source of support/funding
  • Caused by editors and reviewers versus authors
  • Language bias