A Factor Analysis of English Essay Readers

Author(s):

Torgerson, Warren S.; Green, Bert F., Jr.

Publication Year:

1950

Report Number:

RB-50-30

Source:

ETS Research Bulletin

Document Type:

Report

Page Count:

13

Subject/Key Words:

English Tests, Essay Tests, Readers (Essay Tests), Factor Structure, Grading Essay Tests, Interrater Reliability

Abstract

Inverted multiple factor analysis is used to examine a 20 x 20 matrix of correlations of English essay readers, based on 38 essays. A large general factor indicates considerable agreement among the readers. Three weak group factors suggest the existence of consistent schools of thought concerning the quality of English essays although it is possible that they are due to chance groupings. The intrinsic validity of an achievement test is discussed in relation to inverted factor analysis.

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• http://dx.doi.org/10.1002/j.2333-8504.1950.tb00470.x