There are many types of research designs which can be used for studies. Only the most basic designs are listed here. This item can be searched by major category or subcategory.

• Experiment
  • True Experiment
  • Quasi-Experiment
• Non-Experiment (Analysis of ex post facto data)
• Case Study/Observation
• Survey or Questionnaire
• Testing
• Theoretical Model
• Philosophical Essay
• Historical Inquiry
• Comment or Reply
• Review/Critique of the Literature
• Other