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Example
4
Conventional Linear Regression
Introduction
This example demonstrates a conventional regression analysis, predicting a single
observed variable as a linear combination of three other observed variables. It also
introduces the concept of identifiability.
About the Data
Warren, White, and Fuller (1974) studied 98 managers of farm cooperatives. We will
use the following four measurements:
A fifth measure, past training, was also reported, but we will not use it.
In this example, you will use the Excel worksheet Warren5v in the file
UserGuide.xls, which is located in the Examples folder. If you performed a typical
installation, the path is C:\Program Files\IBM\SPSS\Amos\21\Examples\
<language>.
Test Explanation
performance
A 24-item test of performance related to “planning, organization,
controlling, coordinating, and directing”
knowledge
A 26-item test of knowledge of “economic phases of
management directed toward profit-making...and product
knowledge”
value
A 30-item test of “tendency to rationally evaluate means to an
economic end”
satisfaction
An 11-item test of “gratification obtained...from performing the
managerial role”