Twenty-five subjects were divided into five matched groups and each group was given a different type of lexical indicator of content. The purpose was to determine their ability to answer a 72-question criterion test and determine the relevance of the documents furnished relative to that task.
The results indicated that there were no major differences between the five groups in their ability to select relevant documents. The group utilizing complete text material, however, obtained a significantly higher score on the examination.
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References
1.
RathG. J.ResnickA.SavageT. R., Comparisons of Four Types of Lexical Indicators of Content, RC 187, Aug., 1959. (Copies may be obtained by writing any of the authors at IBM Research Center, Box 218, Yorktown Heights, New York.).
2.
SavageT. R.FallonH. C.SaxonM. E., Acsi-Matic Auto-Abstracting Project, Interim Report, p. 27. IBM Advanced Systems Development Division; Aug., 1959.
