How can social scientists assess the reliability of the measures derived from tests and questionnaires? Through an illustrative review of the principles of classical reliability theory, Ross E Traub explores some general strategies for improving measurement procedures.
Beginning with a presentation of random variables and the expected value of a random variable, the book covers such topics as: the definition of reliability as a coefficient and possible uses of a coefficient; the notion of parallel tests so as to make possible the estimation of a reliability coefficient for a set of measurements; what to do when parallel tests are not available; what factors affect the reliability coefficient; and how to estimate the
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Introduction
A Brief Statistical Interlude
The Basic Theory
Reliability
Estimating the Reliability Coefficient
Experiments and Formulas for Estimating a Reliability Coefficient
Factors Affecting the Reliability Coefficient
Estimating the Standard Error of Measurement
Special Topics Involving Reliability
An Evaluation of Classical Reliability Theory
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