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Chapter 5 mcq practice questions and answers
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Chapter 5Multiple choice questions
1. In the context of an experiment, a variable is
*a. any factor that can vary across participants or situations.
b. any phenomenon or characteristic that can be measured.
c. any phenomenon or characteristic of a participant or
situation that has a specific value.
d. the unknown quantity that the experiment will determine.
2. ___________ is the assignment of symbols or numbers to
something according to a set of rules.
a. Variable
* b. Measurement
c. Validity
d. Reliability
3. ___________ is the simplest scale of measurement.
a. Ordinal
* b. Nominal
c. Ratio
d. Interval
4.Which of the following measurement scales is accurately paired
with an example?
a. Interval—rankings of tennis players
b. Ratio—zip codes
c. Nominal—test scores on an exam
*d. Ordinal—a professor listing his students from the best to
worst
5.What differentiates interval from ratio scales of measurement?
a. Interval scales use rank order; ratio scales do not
, b. In a ratio scale equal distance on the dimension represent
equal distance on the dimension being measured; this is
not true for interval
c. Scores of zero are not possible on interval scales
* d. Ratio scales include an absolute zero point – indicating
the absence of what is being measured
6. Temperature on a Kelvin scale is an example of
a. nominal measurement.
b. ordinal measurement.
c. interval measurement.* d. ratio measurement.
7. Which of the following would represent scores on a nominal
scale?
a. Attractiveness ratings on a scale of 1-5
b. Coding religion as protestant = 1; catholic = 2, etc.
c. Temperature on a Celsius scale
d. Exam scores
8. ______________ refers to the consistency of results and
____________ is the extent to which you are measuring what you
think you are measuring.
a. Reliability; operational validity
b. Validity; reliability
* c. Reliability; validity
d. Convergence; divergence
9. Which of the following is TRUE?
a. A reliable measure is always valid
b. A valid measure is never reliable.
*c. A valid measure is always reliable.
d. A reliable measure is never valid.
10. In order to establish the reliability of a measure of
intelligence, Kevin administers two forms of the test to a group of
students. Which of the following reliability coefficient values
would indicate the most reliability for the test?
a. 0.35
, * b. 0.85
c. -0.85
d. 2.20
11. Jenna would like to establish the reliability of a new measure
of self-esteem but she doesn’t have enough time to administer
her test more than once. Which of the following methods of
establishing reliability would you suggest to Jenna?
a. Equivalent forms
* b. Internal consistency
c. Multidimensional
d. Concurrent
12. If we include items assessing memory, logic, and verbal
comprehension on an intelligence test – as opposed to food
preferences or shoe size – then we have satisfied which of the
following types of validity?
a. Discriminant
b. Convergent
* c. Face
d. Internal
13. Construct validity
a. is not needed if you use a good operational definition.
* b. is supported when similar results are obtained from
different operationalizations of the dependent variable.
c. is almost always found in published experiments.
d. is determined by replicating the results of your
experiment.
14. Which of the following illustrates reliability?
a. Dean takes an IQ test and scores at the 60th percentile.
b. Scores on a new test of reading comprehension correlate
highly with scores on well established reading
comprehension tests.
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