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Sacrificing Reliability and Exalting Sampling Error at the Altar of Parsimony: Some Cautions Concerning Short-Form Test Development.
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Henson, Robin K. – 2000
The purpose of this paper is to highlight some psychometric cautions that should be observed when seeking to develop short form versions of tests. Several points are made: (1) score reliability is impacted directly by the characteristics of the sample and testing conditions; (2) sampling error has a direct influence on reliability and factor…
Descriptors: Factor Structure, Psychometrics, Reliability, Sampling
Constructing Questionnaires with Randomized Ordering and Sampling of Items: A Computer Implemented Method. CASSR Technical Paper Series, No. 4.
Peay, Edmund R. – 1982
The method for questionnaire construction described in this paper makes it convenient to generate as many different forms for a questionnaire as there are respondents. The method is based on using the computer to produce the questionnaire forms themselves. In this way the items or subgroups of items of the questionnaire may be randomly ordered or…
Descriptors: Computer Assisted Testing, Computer Software, Questionnaires, Sampling