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Learn to Use the Difference of Means T-Test in SPSS With Data From the American National Election Study (2008)

By: Nick Allum Published: 2015 | Product: SAGE Research Methods Datasets

This dataset is designed for teaching difference of means t-test. The dataset is a subset of data derived from the 2008 American National Election Study (ANES2008), and the example tests whether internet access is related to how much people talk about politics. The dataset file is accompanied by a teaching guide, a student guide, and a how-to guide for SPSS.

Methods: T-test
Prerequisites: Single-Mean T-test
Data Type: Survey
Software Guide: SPSS
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You can preview and download the dataset from this tab. The dataset is available in multiple file formats, compatible with most common software packages. You can also view and download the Codebook, which provides information on the structure, contents, and layout of the dataset.

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In this tab you will find guides on using this dataset. The Teaching Guide is designed for faculty who are teaching research methods and statistics, with suggestions on how to use the dataset in lab exercises, in homework assignments and as exam questions. The Student Guide introduces the method for students, and can be used in teaching to provide students with an introductory overview of the method or test. The How-to Guide shows how to perform the technique or test using data analysis software.

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About This Dataset
Data Source Citation

The American National Election Studies ( TIME SERIES CUMULATIVE DATA FILE [dataset]. Stanford University and the University of Michigan [producers and distributors], 2010.

Full title of originating dataset

The American National Election Studies: Time Series Cumulative Data File

Data author(s) and affiliations

American National Election Studies (Stanford University, University of Michigan)

First publication date


Data Universe

U.S. eligible voters

Funding sources/suppliers

National Science Foundation under Grant Numbers: SBR-9707741, SBR-9317631, SES-9209410, SES-9009379, SES-8808361, SES-8341310, SES-8207580, and SOC77-08885.

Sample/sampling procedures

Random probability

Time frame of analysis


Unit of analysis

Adult Americans

Location covered by data


Links to SRM content
  • Salkind, N. (2007). T test for two population means. In N. J. Salkind, & K. Rasmussen (Eds.), Encyclopedia of measurement and statistics (pp. 991–993). Thousand Oaks, CA: Sage Publications, Inc. doi:
  • T test for unrelated samples. (2004). In D. Cramer, & D. Howitt (Eds.), The SAGE dictionary of statistics (p. 168). London, England: SAGE Publications, Ltd. Retrieved from
  • Shapiro, J. (2008). t-Test. In P. J. Lavrakas (Ed.), Encyclopedia of survey research methods (pp. 912–913). Thousand Oaks, CA: Sage Publications, Inc. doi:
List of variables


Frequency of discussing politics


Access to Internet


Watch TV programmes on election campaign

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