Ninth Edition CoverGraziano & Raulin
Research Methods (9th edition)

Chapter 4 Exercises
Data and the Nature of Measurement

The following exercises are designed to give you hands-on practice of the skills learned in this chapter.

  1. For the following measures, list the level of measurement (nominal, ordinal, interval, and ratio).
    (a) class rank in high school
    (b) religious affiliation
    (c) time needed to solve a difficult problem
    (d) pain rating as someone endured 15 seconds with their hand in ice water
    (e) IQ score
    (f) number of mistakes on a difficult task
    (g) average reaction time to a signal
  2. Suppose you want to measure each of the following variables. Try to identify a four possible measure for these variables, with each of them at a different level of measurement.
    (a) measures of critical thinking performance
    (b) measure of a person's interest in a movie
    (c) measure of a person's dislike for a political position
  3. Which types of reliability are relevant for the following variables and their measures?
    (a) fatigue
    (b) intelligence
    (c) extroversion personality trait
    (d) a person's weight
    (e) anxiety
    (f) anger
    (g) depression level
    (h) hair color