Practice Quiz

Chapter 5
Measurement Concepts

Here are some questions for a practice quiz. The questions are multiple-choice and true-false. They may not resemble the questions that your instructor may ask on a test. That is, the questions on your class exams may be more difficult and may include essay and short answer questions.

When you get your score, you will be shown the correct answers. Take the quiz as many times as you like.

1. A reliable measure has more measurement error than an unreliable measure.

2. An indicator of reliability based on the correlations of each item in a measure with every other item is called:
Test-retest reliability
Cronbach's alpha
Split-half reliability

3. A measure is reactive if it changes the behavior being measured.

4. A researcher developed a measure of shyness and is now asking whether this measure does in fact measure a person's true state of shyness. This is a question of:
construct validity.

5. Scores on a final exam are related to student grade point average, the amount of time spent studying for the exam, and class attendance. What type of validity is demonstrated in this case?
convergent validity.
discriminant validity.
criterion validity.

6. Nominal scales of measurement have no quantitative properties.

7. Which of the following variables does NOT have ratio scale properties?
job satisfaction rating
reaction time to respond when a stimulus is presented
distance (in inches) that two people stand from each other when conversing

8. My measure allows me to successfully predict future behavioral outcomes. My measure has:
Criterion validity
Face validity

9. Unobtrusive measures reduce the problem of reactivity.

10. Whenever you divide people into groups, you probably using a nominal scale level of measurement.

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