The study of pervasive measurement problems. Two methods are 1)estimating the extent to which these problems influence the measurement taken in a given situation and 2) devising methods to overcome or minimize these problems. In other words it provides a general framework for viewing the process of instrument development.
arnold on Sep 16, 2008
Constructs are latent variables. A latent variable cannot be measured directly, but only through measurable indicator variables. When it comes to psychological traits, you cannot simply observe a person and be able to record a measure of these traits. For example, if you needed a measure of organizational commitment you could not simply sit a […]
arnold on Sep 16, 2008
Measurement applies to the properties of an object. Measurement of the psycholoical attribute occurs when a qualitative value is assigned to the behavioral sample collected by using a test. From a measurement of observable behavior, the test devloper draws an inference about the amount of the theoretical construct that characterizes an individual. Why measure constructs? […]
arnold on Sep 16, 2008
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arnold on Jan 24, 2008