Learning Objectives

After studying this chapter, students should be able to

  • Compare the various methods that researchers use to ask questions
  • Define the terms social desirability and response set and propose ways to reduce their effects
  • Compare the various ways in which researchers measure observable behavior
  • Explain how precision of measurement affects statistical power
  • Identify the difference between a test, a scale, and an inventory
  • Describe the commercially available tests of intelligence and personality