STATISTICS FOR PSYCHOLOGY
7TH EDITION
CHAPTER 01: DISPLAYING THE ORDER IN A GROUP OF NUMBERS USING TABLES AND GRAPHS
1. A psychologist who constructs a frequency table to summarize data collected on the
amount of stress people have experienced in the last 2½ weeks is using a(n)
A) measure of central tendency.
B) descriptive statistical method.
C) intuitive statistical method.
D) inferential statistical method.
QuestionID: 01-01
Skill: Apply
Objective: LO 1-1 Understand and differentiate between descriptive and inferential statistics
Answer: B) descriptive statistical method.
2. Students who have read the first chapter of the textbook and theorize that performance on
statistics exams will be related to the number of hours spent studying statistics know that to
test their theory, they will need to use
A) common sense.
B) reasoning by analogy.
C) inferential statistics.
D) intuition.
QuestionID: 01-02
Skill: Apply
Objective: LO 1-1 Understand and differentiate between descriptive and inferential statistics
Answer: C) inferential statistics.
3. The two branches of statistical methods are
A) theoretical and inferential.
B) intuitive and theoretical.
C) descriptive and intuitive.
D) descriptive and inferential.
,QuestionID: 01-03
Skill: Remember
Objective: LO 1-1 Understand and differentiate between descriptive and inferential statistics
Answer: D) descriptive and inferential.
4. If a researcher studying positive psychology in people develops a questionnaire to measure
well-being, the researcher will use the questionnaire scores as a
A) functional concept.
B) variable.
C) descriptive statistic.
D) qualitative value.
QuestionID: 01-04
Skill: Apply
Objective: LO 1-2 Define basic statistical concepts
Answer: B) variable.
5. Several psychotherapy clients are rated for their degree of depression. If a particular client's
depression is rated 8 on a 20-point scale, 8 represents that client's
A) frequency.
B) variable.
C) score.
D) mean.
QuestionID: 01-05
Skill: Apply
Objective: LO 1-2 Define basic statistical concepts
Answer: C) score.
6. If an intelligence test includes 12 items so that a person can answer any number of items
between 0 and 12 correctly, each of these numbers between 0 and 12 is called a
A) value.
B) variable.
C) rating.
D) mean.
,QuestionID: 01-06
Skill: Apply
Objective: LO 1-2 Define basic statistical concepts
Answer: A) value.
7. If a difference between scores of 3 and 4 is the same as a difference between scores of 15
and 16, the variable being measured is
A) equal-interval.
B) differential.
C) non-differential.
D) rank-order.
QuestionID: 01-07
Skill: Understand
Objective: LO 1-2 Define basic statistical concepts
Answer: A) equal-interval.
8. The number of problems correct on a test is an example of what kind of variable?
A) continuous
B) discrete
C) log-linear
D) quadratic
QuestionID: 01-08
Skill: Apply
Objective: LO 1-2 Define basic statistical concepts
Answer: B) discrete
9. The length of time a person talks in a group discussion is an example of what kind of
variable?
A) continuous
B) categorical
C) transformed
D) extraneous
QuestionID: 01-09
Skill: Apply
, Objective: LO 1-2 Define basic statistical concepts
Answer: A) continuous
10. If the degree of difference between two scores has no meaning beyond the fact that one is
higher than the other, the level of measurement is
A) nominal.
B) extraneous.
C) rank-order.
D) equal-interval.
QuestionID: 01-10
Skill: Remember
Objective: LO 1-2 Define basic statistical concepts
Answer: C) rank-order.
11. Another label for "rank-order" is
A) categorical.
B) ratio.
C) ordinal.
D) continuous.
QuestionID: 01-11
Skill: Remember
Objective: LO 1-2 Define basic statistical concepts
Answer: C) ordinal.
12. Which of the following student characteristics is an example of a nominal variable?
A) grade point average (3.2, 2.5, etc.)
B) number of friends (0, 1, etc.)
C) birth position in the family (first, second, etc.)
D) college major (Psychology, Sociology, Business, etc.)
QuestionID: 01-12
Skill: Apply
Objective: LO 1-2 Define basic statistical concepts
Answer: D) college major (Psychology, Sociology, Business, etc.)