# Scope and Methods in Political Science

Political Science 2101

Scope and Methods in Political Science

Second Research Project

The goal of this project is to conduct univariate and bivariate analysis on a set of

variables of your choosing. The project requires you to know (a) what statistics to calculate for

variables measured at different levels, (b) how to calculate these statistics using the SPSS

the statistical software package, and (c) how to interpret the results of descriptive and inferential

statistics.

The first step in the project is becoming familiar with how to access and perform

statistical calculations in SPSS. In our session today, we have introduced the basics of using

SPSS. In addition, there are screenshots and video tutorials attached located in the folder for

today’s session. Note that SPSS is available in computer labs throughout campus. You can click

on this link (http://acadtech.gwu.edu/locations) to identify specific locations where SPSS can be

accessed (under “Search by Software”).

The second step is choosing variables that you will use for your statistical analyses. In

class today, we introduced the States data set. This is the data set you will be using for your

project. You will select one variable from the data set to serve as the dependent variable in your

calculations. You will also select three variables from the data set that will serve as independent

variables in your calculations. You will select your dependent variable and independent

variables from the 153 variables contained in the States data set. The codebook for the States

data set, which attached to the module for today’s session, provides basic information about

these 153 variables.

The third step is to calculate univariate statistics for your dependent variable and

independent variables. If the variable is measured at the ratio level (as most variables are in the

States data set), then you will calculate the median and mean as your measures of central

tendency, and the range, interquartile range, and standard deviation as your measures of

dispersion. If the variable is measured at the ordinal or nominal level, then consult with me to

determine which univariate statistics you should calculate.

The fourth step is to conduct bivariate analyses of the associations between your

dependent variable and each of the independent variables. Since you have three independent

variables, you will calculate bivariate statistics for three different pairs of variables (i.e.,

dependent variable paired with the first independent variable, dependent variable paired with the second

independent variable, dependent variable paired with third independent variable). If both

variables in a pair are measured at the ratio level, then calculate the correlation coefficient as

your measure of association (i.e., as your measure for gauging the direction, strength, and

statistical significance of the association). If one or both of the variables in the pair is measured

at the ordinal or nominal level, then consult with me to determine which bivariate statistics you

should calculate.

The fifth step is to save the output of your univariate and bivariate analyses. Our class

session today, as well as the screens shots on the module for today’s session, provide information

about the steps to follow to save the output of analyses conducted in SPSS.

The sixth step is to produce a write-up where you report on the results of your univariate

and bivariate analyses. In this report, you should introduce which variables you have selected

for analysis. In addition, you should discuss why you have selected these variables and what

hypotheses you have regarding the associations between your dependent variable and each of

your three independent variables. You should then interpret each of the univariate statistics that

you have calculated. What information do these statistics, both individually and collectively,

convey about the central tendencies and dispersions of each of your variables? Next, interpret

each of the bivariate statistics that you have calculated. What information do these statistics

convey about the direction, strength, and statistical significance of the associations between your

dependent variable and each of your independent variables? Finally, present a brief summary

statement of what lessons, in an overall sense, the statistical analyses have provided about the

variables that you have studied. What kinds of questions for further analysis have been raised by

your univariate and bivariate analyses?

The project is due at the beginning of class on November 25. The write-up and SPSS

output must be submitted at that time in hard copy form. The write-up (excluding the SPSS

output) should be no longer than 5 double-spaced pages, using a 12-point font and 1-inch

margins. Any project not handed in this manner and by that time will be subject to the late

penalty stated on the syllabus.

## ANSWER.
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Academic Level | College (3-4 years: Junior, Senior) |

Subject Area | Political science |

Paper Type | Essay |

Number of Pages | 4 Page(s)/1100 words |

Sources | 0 |

Paper Format | MLA |

Spacing | Double spaced |