Analytical Methods

Module 5 Assignment

Chapter 10

Note: the following two questions use the same set of data as Problem 3 in Module 1 Assignment.

  1. (Hypothetical data) Is a person’s race related to victimization? Suppose you have surveyed 30 people. You ask them:
  • Would you describe yourself as White (w) or Non-White (n)?
  • Would you describe yourself as Middle (m) or Working (w) Class?
  • Have you been a victim of a crime in the past year? (Yes = 1 or No = 0)

 

CaseRaceClassVictimN_times_vic
1ww11
2wm00
3nw11
4nw11
5nw12
6ww00
7wm00
8wm00
9ww11
10nw11
11nw12
12wm00
13nw00
14ww00
15nw11
16wm00
17ww12
18ww11
19ww11
20nm00
21nm12
22ww11
23ww00
24nw11
25wm00
26ww11
27nm00
28nw00
29nw00
30wm11

 

  1. Construct a bivariate table of frequencies for race and victimization. Which is the independent variable?
  2. Calculate percentages for the table based on the independent variable. Describe the relationship between race and victimization using the table.
  3. Use the data to construct a bivariate table to compare victimization experience of those who are middle class and those who are working class. Use percentages to show whether there is a difference between middle class and working class experience.

In the problem above, you examined racial and social class differences in victimization. You now wonder if the racial difference you found might be related to social class.

  1. Construct Tables showing the relationship between victimization, race and social class.
  2. Interpret the results.

Chapter 11

  1. Imagine that we have conducted a much larger research project using the variables in the first question (race, class and victimization)
Table 1Race
VictimizationWhiteNon-whiteTotal
Yes94242336
No343295638
Total437537974
  1. What is the number of degrees of freedom for Table 1?
  2. Test the null hypothesis that race and victimization are independent (alpha = .05). What do you conclude?

Imagine a separate study, using the same set of variables.

Table 2Middle Class
Race
VictimizationWhiteNon-whiteTotal
Yes59160219
No253224477
Total312384696
Table 3Working Class
Race
VictimizationWhiteNon-whiteTotal
Yes75259
No413879
Total4890138

 

 

 

 

 

  1. Which class group has the higher percentage or respondents indicating that they have been a victim of crime in the past year?
  2. For each class, test they hypothesis that race and reported victimization are independent (alpha = .01).

 

 

Learning Check

Explain what is meant by a positive relationship between two variables and a negative relationship between two variables. Give an example of a situation in criminology or criminal justice other than those given in the text or lecture in which we would expect to find a positive relationship and one in which we would expect to find a negative relationship. Can one assign direction when both variables in a table are dichotomous?

p(4)

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