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Chapter 1: Displaying The Order In A Group Of Numbers Using Tables And Graphs
Test Description: Based on Statistics for Psychology Assigned Textbook and Lectures
Instructions: Answer all questions to get your test result.
1) 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
reasoning by analogy.
B
common sense.
C
inferential statistics.
D
intuition.
2) If a psychologist studying aggressive tendencies in people develops an inventory to measure aggression, the psychologist is using scores on the inventory as a(n)
A
descriptive statistic.
B
invariable construct.
C
variable.
D
abstract concept.
3) 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
non-differential.
B
differential.
C
rank-order.
D
equal-interval.
4) The number of problems correct on a test is an example of a
A
continuous variable.
B
discrete variable.
C
quadratic variable.
D
log-linear variable.
5) Another label for rank-order is
A
continuous.
B
ordinal.
C
ratio.
D
categorical.
6) Which of the following student characteristics is an example of a nominal variable?
A
number of friends (0, 1, etc.)
B
birth position in the family (first, second, etc.)
C
grade point average (3.2, 2.5, etc.)
D
nationality (U.S., Japanese, etc.)
7) A frequency table lists
A
the number of scores at each value.
B
the times per second variations occur in various wave bands.
C
the intensity of a variable over all the participants studied.
D
the average value of each variable.
8) Consider the scores 2, 9, 7, 6, 1, 9, 1, and 2. Which of the following would be the correct bottom line of a frequency table?
A
0 4 50%
B
1 2 25%
C
9 2 25%
D
6 1 12.5%
9) A histogram looks most like
A
a silhouette of mountains.
B
a pattern of iron filings.
C
a large wave.
D
a city skyline.
10) 27) Psychologists use frequency tables and histograms to show
A
the relation between two variables.
B
the way numbers they collect are distributed.
C
the reasoning behind experiments.
D
the hypotheses they plan to test.
*select an answer for all questions
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