• Chapter 5 discusses Measurement and introduces you to two of the most fundamental concepts you need to understand in this course: Reliability and Validity.
  1. How are Reliability and Validity related?
  2. If a measure (e.g., a test on some attribute) is reliable, does that mean it is also valid? Explain.
  3. On the other hand, if a measure is valid, does it mean that the measure is also reliable? Explain.
• Chapter 6 discusses methods of measuring Behavior, something we see quite often in the Social Sciences.

1. 1. What are some things that make a good questionnaire measuring behavior?
   2. Why is it important to be unobtrusive when observing behavior for research purposes?