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A Step-by-Step Approach to Using SAS® for Univariate & Multivariate Statistics, Second Edition by Edward J. Stepanksi Ph.d., Larry Hatcher, Norm O'Rourke

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Gathering and Entering Data

The Questionnaire

Assume that you conduct a study in which the participants are 50 college students, each of whom is currently involved in a romantic relationship. Each participant completes a 24-item questionnaire designed to assess the six investment model constructs: commitment; satisfaction; rewards; costs; investment size; and alternative value. (One construct, satisfaction, is not included in the version of the investment model to be tested in this study and is therefore not referred to again in this chapter.)

Each investment model construct is assessed with four questions. For example, the four items that assess the “commitment” construct are reproduced here:

21.How committed are you to your current relationship? ...

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