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EDU 620 Introduction to Educational Research

Presentation Study Guide 6.1

EDU 620 INTRODUCTION TO EDUCATIONAL RESEARCH

Lesson 6: Educational Research Designs
Part 1: Experimental Designs

OUTLINE FOR TAKING NOTES


  1. Introduction to educational research designs
  2. Experimental design
    1. Elements of experimental design
      1. Random assignment
      2. Manipulation of treatment conditions
      3. Control over extraneous variables
      4. Pretests and posttests
    2. True experimental design
    3. Quasi experimental design



REVIEW QUESTIONS

  1. Why is it important to be able to identify various research designs in education? 
  2. How are experimental designs used in educational research? 
  3. What are the main elements of experimental research design?
  4. What is random selection? 
  5. What is random assignment and how does it differ from random selection? 
  6. What is manipulated in an experimental research design?
  7. What is controlled in an experimental research design?
  8. What is the purpose of pretests and posttests in experimental design?
  9. What conditions are necessary for true experimental designs? 
  10. Why do educational researchers sometimes use quasi experimental designs?