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CATs: Whither and Whence CAT PPT

Author(s):
Wainer, Howard
Publication Year:
2000
Report Number:
RR-00-12
Source:
ETS Research Report
Document Type:
Report
Page Count:
16
Subject/Key Words:
Computer Assisted Testing, Test Security, Test Validity, Innovation, Technological Advancement, Program Costs, Comparative Analysis, Zipfs Law, Paper and Pencil Tests (PPT), Distance Education

Abstract

In this essay the author sketches the background that gave rise to adaptive testing and frame a discussion of CATs progress around Bert Green's expectations of the advantages of this technology. Data from the first decade of operational CAT's are used to compare what has happened to what was hoped for. The author finds that some of the goals for CAT that Green expressed are close to being accomplished, but that most of them remain in the future.

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