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Doing Empirical Political Research
James M. Carlson, Providence College
Mark S. Hyde, Providence College
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Chapter 1: How Do We Know What's True?
- Epistemology, The Theory of Knowledge
The area of philosophy concerned with how individuals come to
know what they know is called epistemology.
- Philosophy of Social Science
Political scientists, and more generally social scientists,
raise epistemological issues in the context of what is called
the
philosophy of social science.
Chapter 2: Using the Scientific Method and Political Science
Chapter 3: Formulating Problems and Hypotheses
- Computer Assisted Brainstorming
A British company called Infinite Innovations Ltd has created
software called Brainstorming
Toolbox that is designed to facilitate creative thinking
and lateral thinking. Their web site describes the software
and offers a free download for trial.
- The Concept Mapping Homepage
This page
offers a brief description and history of concept mapping, an
example of the process and links that lead to a variety of software.
- Inspiration
InspirationŽ
is a visual learning tool designed to aid the development
of ideas and organize thinking. It is a graphical organizer
that uses diagramming and outlines to aid in the development
of concept maps and brainstorming. It was designed as an educational
tool, but it can be used by researchers to organize and clarify
ideas. A product description and a free trial download can be
accessed from the creator's web page.
- Federal Government Protection of
Human Subjects
The National Institutes of Health posts the transcript of
The Belmont Report .
The official website
for Office for Human Research Protections, Department of Health
and Human Services has information on IRB registration, policy
guidance, educational materials, and workshops along with links
to other relevant sites.
The Office of Human Subjects, National Institutes of Health's
website
not only explains what it does but how it differs from the Office
for Human Research Protections.
- Ethical Codes of Professional Associations
The American Political Science Association publishes its
Guide to Professional Ethics in Political Science here.
The
index of the American Sociological Association's code of ethics
links to its principles and ethical standards.
The code
of ethics for the American Psychological Association can
be found here. Look for the 2002 revised draft.
 | Chapter 4: Building a Bibliography: Determining What is Known
- Locating Government Publications
This
website contains the Catalog of U.S. Government Publications.
The Northwestern University Library, Publications
of Foreign Governments provides links to official websites
of national governments. The
Northwestern University Library also has Publications of
the States.
- On-Line Reference Sources
The following are a variety of dictionaries, encyclopedias,
almanacs, and other reference sources:
Merriam-Webster
Dictionary On-Line Political
Dictionary Encyclopedia
Britannica On-Line Encyclopedia
Americana Grolier Multimedia
Encyclopedia Xrefer-The
Web's Reference Search Engine CIA
World Factbook, 2000 FiftyStates.Com
Info
Please Almanac
CNN Video Almanac
Note: Encyclopedia Americana, the Grolier Multimedia Encyclopedia
and xrefer.com require subscriptions. You might be able to access
them through your library by using your library card number.
- Accessing Media Web Sites and Their
Search Engines
The following are websites that search news and media sources:
Newslink Rocketnews.com Google News
- About Search Engines and Their
Use
The following are some of the most prominent search engines
used by social scientists:
Northern
Light Excite
Lycos HotBot Dogpile WebCrawler Yahoo AltaVista Google Ask Jeeves Teoma
It is important to develop the skills necessary to make effective
use of search engines. The following are some sitesthat provide
tips on their use and reviews of specific sites:
Search
Engines What They Are, How They Work, and Practical Suggestions
for Getting the Most Out of Them, by Bruce Grossan
Search
Engine Showdown: The User's Guide to Web Searching
SearchEngines.com
offers a comprehensive list of search engines and reviews.
- Gateways to Political Science Resources
on the Web
Gateways designed by social scientists and librarians can save
a lot of time and effort when conducting searches of the web.
The following are very useful gateways that lead to government
agencies, professional academic organizations, data repositories,
news organizations, professional publications, college and university
sites, political scientists personal home pages and other political
science materials:
P.S. Ruckman Jr. of Rock Valley College compiled The
Ultimate Political Science Links Page.
Robert Duval of West Virginia University created Poly-Cy:
Internet Resources for Political Science.
Richard Tucker of Vanderbilt University Political
Science Resources.
Grace York, the political science librarian at University of
Michigan Library, created Political
Science Resources on the Web.
Gene R. Thursby of the University of Florida edits Social
Sciences Virtual Library, which is part of the World Wide
Web Virtual Library.
- Criteria Used for Evaluating the
Usefulness of Web Sites
There are a number of useful web sites suggesting ways web material
can be evaluated. The first site on the list contains a tutorial
with examples of sites that are not credible. Susan E. Beck
explains The
Good, The Bad and The Ugly or, Why It's a Good Idea to Evaluate
Web Sources.
D.Scott Brandt gives advice in
Evaluating Information on the Internet.
University
of California at Berkeley Library
E. Grassian provides a list of questions to consider in Thinking
Critically about World Wide Web Resources.
 | Chapter 5: Reviewing Previous Research
Chapter 6: Assessing Relationships: Association or Causality?
- Determinism
One of the fundamental questions in philosophy and science surrounds
determinism.
- Causality
At this site
you will find a discussion on causality assuming we live in
a probabilistic world.
- Probabilistic Causation
This site
examines the philosophical theory of probabilistic causation.
Chapter 7: Conceptualizing, Operationalizing, and Measuring Variables
- Understanding Measurement: Precision
and Accuracy
MeasurementDevises.com
provides a discussion of the importance of measurement and answers
the question: "Why measure in the first place?"
A web site located at the University
of North Carolina provides a dictionary of measurement units.
Find out about the size of a gnat's eye.
A very useful website
discusses reliability and validity within the context of essentials
of a good psychological test.
Chapter 8: Organizing and Managing Data
Chapter 9: How to Achieve Maximum Representativeness: Sampling
- Generating a Table of Random Numbers
There are a number of web sites that facilitate the selection
of random samples by allowing you to create tables of random
numbers. Some of these sites are quite sophisticated and are
designed to be used by mathematicians. We recommend the following
site because it offers a tutorial and is easy to use: The Social
Psychology Network sponsors the Research
Randomizer.
Another site you can try is Random.Org
developed by Mads Haahr a PhD student at Trinity College, Dublin.
- Polling Fiascos and Sample Error
The Why Files web site at the University of Wisconsin reports
the "science behind the news". Contributors to the site have
offered interesting descriptions of famous polling disasters,
several of which were due to poorly designed samples. There
is also an extended discussion of the nature and calculation
of sampling error. This site
includes a discussion of fiascos. Also, Why
Files looks at sampling error.
Studyworks!
Online created by MathSoft Engineer and Education also describes
the polling surprises and sampling error. It gives two examples
of polling surprises. Additionally, it covers sampling error
and provides a downloadable
worksheet to calculate error.
 | Chapter 10: Collecting Data Using Surveys
- On-Line Sources for Survey Questions
It is usually advantageous to use survey questions that have
been used previously by other researchers. Questions that have
been used frequently are often those that have been found to
be valid and reliable. The use of standard questions also permits
comparisons with previous research. There are a number of web
sites that are sources of standard survey questions. Howard
W. Odum Institute for Research in Social Science at the University
of North Carolina hosts the Public
Opinion Poll Question Database.
The Department of Sociology at the University of Surrey, UK
hosts The
Question Bank: Social Surveys.
Polling Organizations that report the results of their surveys
on their web sites often provide the full texts of the questions
they ask their respondents. The following are the links to some
prominent pollsters:
The Gallup
Poll The Pew
Research Center The
Polling Report Zogby International
The European Public Opinion Homepage
The Department of Communications at the University of Kansas
provides a comprehensive Worldwide listing of On LineSurvey Design Guide where sites are rated
for their content and usability.
There are a number of companies that specialize in questionnaire
design. Most of them are concerned with marketing research,
but have some experience with social scientific surveys. Two
prominent organizations are Survey
Shop and DataStar
Inc.
- Conducting Surveys Using the Internet
or Fax Machines
The
Research Triangle Institute, a non-profit research organization,
has been conducting surveys for more than forty years. Their
web site describes how they conduct surveys using the web. They
specialize in panel surveys where the same set of respondents
is surveyed over time. They discuss issues of sample design
and offer a demonstration using Quick Time or Windows Player.
Swift
Interactive Technologies is a market research firm that
specializes in survey research using the World Wide Web. Their
site has links to a number of technical papers and a brief statement
by James H. Watt of the University of Connecticut about situations
when web-based surveys may be appropriate.
The
Writing Center at Colorado State University offers a brief
description of electronic surveys and a discussion of their
advantages and disadvantages.
Fax versus Mail in Gathering Data: An Analytical Study by Don Esslemont and
Paul Pickering published in the Marketing Bulletin (1991, 2,
71-74) provides an evaluation of surveys distributed by fax
machines.
Donald
Dillman of Washington State University provides a number
of papers reporting his research on the utility of electronic
surveys using the web and interactive voice response.
- Obtaining Survey Data for Secondary
Analysis
Inter-University
Consortium for Political and Social Research at the University
of Michigan contains hundreds of data sets on a wide variety
of topics.
American National Election Studies allows you to view and download codebooks and data sets for free.
University
of California, San Diego's Social Science Data on the Net
is a gateway to 442 sites that have numeric data ready to download;
109 catalogs and lists of data from data libraries, archives,
vendors; 98 Data Libraries and data archives worldwide; and
48 organizations that sell and distribute data for a fee.
The
Roper Center for Public Opinion Research is the most comprehensive
archive for public opinion data.
Survey
Documentation and Analysis Archive at the University of
California, Berkeley provides access to the General Social Survey
Cumulative Data File and the National Election Study Cumulative
Data File as well as other surveys. You can browse codebooks,
download full data sets or subsets of selected variables, create
codebooks for subsets, and conduct analysis. This is an extremely
useful site that is easy to use.
While the focus is on religion, the data sets available at The
American Religion Data contain many public opinion questions
of interest to students of politics. The site contains a useful
search engine so you can search by topic and locate questions
in the archived data sets. You can also browse codebooks and
download data sets with ease.
 | Chapter 11: Collecting and Organizing Data from Published Sources- On-Line Sources of Data That
Describe Collectivities
As we have noted, there are numerous on-line sources
of published data that describe collectivities. The following
are links to all of the web sites we have discussed in Chapter
11 along with many other sources:
- Sources of Data About Individuals
As we have noted there are numerous on-line sources
of published data that describe political elites. Links to all
of the web sites we have discussed in Chapter 11 along with
many other sources.
- Examples of Research Using Content
Analysis
There are some very useful on-line annotated bibliographies
of research using content analysis. There is also some interesting
original research published on the web. What follows are links
to several annotated bibliographies, some current research,
and a site that describes how to subscribe to a listserv with
a focus on content analysis.
Annotated
Bibliography of Content Analysis Research.
Steve Mizrach of Florida International University collected
Content Analysis: An
Annotated Bibliography.
A
useful bibliography compiled by German Psychologist Matthias
Romppel.
Center for the Media and Public Affairs has examples
of research using content analysis.
 | Chapter 12: Studying only a Few Cases: Intensive Approaches
Chapter 13: How to Describe and Summarize a Single Variable
- Internet Glossary of Statistical
Terms
Internet
Glossary of Statistical Terms is a quick reference for the
definition and explanation of statistics terminology.
- World Wide Web Virtual Library:
Statistics
The
WWW Virtual Library: Statistics provides links to every
facet of statistics - university statistics departments throughout
the world, news groups, government and private statistics institutes,
on-line educational resources, and more.
The following two interactive sites both allow you to see how
much of the area under the normal curve is accounted for by
moving a certain number of standard deviation units above or
below the mean:
Gary McClelland of the University of Colorado at Boulder created
Seeing
Statistics.
Charles Stanton of California State University, Santa Barbara
developed this demonstration
for Normal Distribution Calculator.
Chapter 14: Constructing and Interpreting Bivariate Tables
- Washington Statistical Society
For a more general introduction to the presentation of
data, see A
Guide To Good Graphics, presented by the Washington Statistical
Society.
Chapter 15: Graphing and Describing Linear Bivariate Relationships
- Outlier Effect
At this site
you can see the effects of adding cases to a regression analysis,
including the outliers effect. Cases added close to the line
produce little change, but those added more distant from the
line, outliers, change the line more dramatically.
These two sites allow you to view scatterplots then try to draw
the best fitting regression line or guess the correlation coefficient.
Both sites provide good practice for becoming more familiar
with regression analysis:
Drawing
regression lines by eye Guessing
correlations
Chapter 16: Analyzing More Than Two Variables
Chapter 17: Determining the Statistical Significance of Results
- Wrong Interpretation
A government official gets confused during a question
and answer period about the meaning of statistical
significance.
- 2X2 Chi Squares
This web site
lets you calculate chi squares for a 2 X 2 chi square , allowing
you to change any or all of the values in the table to see the
effect.
- Understanding Chi Square
This site
provides connection to a series of interactive links that will
help you better understand and learn more about Chi Square.
- Chi Square for Any Size Table
This interactive
link calculates Chi Square values for any size table.
Chapter 18: Reporting the Results of Empirical Political Research:
Pulling It All Together- Presenting Research
Our discussion has focused on written communication
of research, but there are other means for communicating results.
Oral reports of research at professional meetings, to the mass
media, or in other forums can be enhanced by the use of computer
projectors and presentation software such as PowerPoint. Social
scientists increasingly report their research during "poster
sessions" at professional conferences where they are given space
on a bulletin board to summarize their papers visually and stimulate
one-on-one discussions with interested colleagues. Information
about making effective presentations can be found at the following
sites:
The University
of Kansas hosts an online tutorial series on Effective Presentations.
Louisiana
State University provides a PowerPoint Tutorial.
- Calculating Response Rates for
Surveys
The American Association of Public Opinion Research
has set the standard for calculating response rates for surveys.
You can find a thorough description at its web
site.
- Style and Writing
The original version of Elements
of Style written by William Strunk, Jr. and published in
1918 is available on-line.
Additionally a directory of On-line
Writing Laboratories located at Purdue University can be
accessed.
Unfortunately, the Style Manual for Political Science, published
by the American Political Science Association, is available
only in hard copy form. An abbreviated version is provided by
the University
of Wisconsin Writing Laboratory.
Cornell University Library provides an abbreviated version of
the Publication
Manual of the American Psychological Association.
Purdue University posts the guidelines as stated by the Modern
Language Association.
- Visual Display of Data
There are a plethora of web sites that provide guidance
and examples for creating visual displays of quantitative findings.
Some useful links are listed below:
Gallery
of Data Visualization: The Best and Worst of Statistical Graphics
Graphical
Data Presentation A
Guide to Good Graphics
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