Statistical Applications for the Behavioral and Social

11/24/21, 7:46 PM PSY-260 – Page 6.11 – Module Six Activity: Chi-Square Quiz
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Statistical Applications for the Behavioral and Social
Sciences
Activity
Module Six Activity: Chi-Square Quiz
On this page, you’ll demonstrate your ability to analyze qualitative data.
6 The Chi-Square Test / Page 6.11 Activity: Module Six Activity: Chi-Square Quiz
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Overview
For your final project, you will need to be able to fully interpret an analysis of
qualitative data using one- and two-way χ
2
tests. This activity will help prepare you to
complete this project successfully because you’ll get to practice the skill of interpreting
output from such tests.
Below are some two-way tables from the General Social Survey that look at the
relationship between individuals’ self-reported class identification (Lower, Working,
Middle, or Upper class) and whether they feel safe to walk at night in their
neighborhood (Yes or No).
One-Way Chi-Square Test
First, a one-way χ
2
test was performed to determine whether the proportions of people
who do and do not feel safe walking in their neighborhood at night is equal. Below is the
table and test statistic result.
11/24/21, 7:46 PM PSY-260 – Page 6.11 – Module Six Activity: Chi-Square Quiz
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One-way chi-square test result: χ2
(1) = 1609.99, p <.001
Two-Way Chi-Square Test
Second, a two-way χ
2
test was performed to determine whether subjective class and fear
of walking at night in one’s neighborhood are dependent on one another (that is, do
people in different classes have disproportionate levels of fear of walking at night in
their neighborhoods?). The table and test result are below.
Two-way chi-square test result: χ2
(3) = 104.5778, p <.001
Chi-Square Quiz
MULTIPLE-CHOICE QUESTION
True or false: Statistically, we cannot conclude that the proportions of people who do and do not
feel safe walking in their neighborhood at night are unequal.
11/24/21, 7:46 PM PSY-260 – Page 6.11 – Module Six Activity: Chi-Square Quiz
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MULTIPLE-CHOICE QUESTION
Which statement appropriately characterizes the pattern of the relationship observed for the
one-way design?
MULTIPLE-CHOICE QUESTION
True or false: Statistically, we cannot conclude that the proportions of people who do and do not
feel safe walking in their neighborhood at night are dependent on one’s class.
MULTIPLE-CHOICE QUESTION
Which social class had a greater proportion of people who were afraid to walk outside at night
than who were not afraid to walk outside at night in their neighborhood?
false
true
There are significantly more people than expected, under the assumption of equality, who
feel afraid of walking in their neighborhood at night.
There is not a significant difference in the number of people who do and do not feel safe
walking in their neighborhood at night.
There are significantly fewer people than expected, under the assumption of equality, who
feel afraid of walking in their neighborhood at night.
true
false
upper
lower
middle
working
none
11/24/21, 7:46 PM PSY-260 – Page 6.11 – Module Six Activity: Chi-Square Quiz
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MULTIPLE-CHOICE QUESTION
Two social classes were more likely than expected to be afraid of walking outside at night in
their neighborhood: working and ________.
MULTIPLE-CHOICE QUESTION
Which group differs most from expected values?
MULTIPLE-CHOICE QUESTION
How could you follow up this two-way analysis?
MULTIPLE-CHOICE QUESTION
middle
lower
upper middle
upper
none
middle
upper
lower
working
by calculating a correlation coefficient for the two variables
You couldn’t.
with a one-way χ
2
test for each class separately
with t tests to compare means by social class
11/24/21, 7:46 PM PSY-260 – Page 6.11 – Module Six Activity: Chi-Square Quiz
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True or false: It is accurate to say that people who identify as lower class do not feel safe
walking outside in their neighborhood at night.
MULTIPLE-CHOICE QUESTION
Which statement captures the nature of the observed dependency most effectively?
You must complete all the multiple-choice questions on this page before you can reset.
close
true
false
People who identify as upper class are significantly less likely than expected to feel afraid
walking outside in their neighborhood at night.
People who identify as lower class are significantly less likely than expected to feel afraid
walking outside in their neighborhood at night.
People who identify as lower class are significantly more likely than expected to feel afraid
walking outside in their neighborhood at night.
People who identify as middle class are significantly more likely than expected to feel
afraid walking outside in their neighborhood at night.