CRANV2
Aslib Cranfield Research Project: Factors Determining the Performance of Indexing Systems: Volume 2
Main test results
chapter
Cyril Cleverdon
Michael Keen
Cranfield
An investigation supported by a grant to Aslib by the National Science Foundation.
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
- 85 -
sets of questions and the two collections can all be adequately
explained, and can be allowed for by methods of adjustment that have
been developed.
LIST OF FIGURES
Index No. of Question Document
Language Questions Subset Collection
4.100T i. 1 .a 221 3 1400
4. 101T I. 2.a 221 3 1400
4. 102T I. 3. a 221 3 1400
4. 103T I. 5. a 221 3 1400
4.1 04T I. 6.a 221 3 1400
4. 105P 1. I. a 221 3 1400
1.2.a
1.3.a
1.5.a
1.6.a
4.110T i.l,a 35 1 1400
4.111T 1.2.a 35 1 1400
4.112T 1.3.a 35 1 1400
4.113T 1.5.a 35 1 1400
4.114T 1.6.a 35 1 1400
4.115P I.l.a 35 1 1400
1.2.a
1.3.a
1.5.a
1,6.a
4. 120T I. 1 .a 42 2 1400
4.121T 1.2.a 42 2 1400
4.122T 1.3.a 42 2 1400
4. 123T I. 5.a 42 2 1400
4. 124T 1.6.a 42 2 1400
4.125P I.l.a 42 2 1400
1.2.a
I.3.a
1.5.a
1.6.a
4. 130P I, 1 .a 221 3 1400
35 1
42 2
4,131P (same as 4.130P, but recall/fallout)
Plots
Plot 4.100T,
4.101T,
4.102T,
4.103T,
4. 104T.
Plot 4.110T,
4.111T,
4.112T,
4.113T,
4.114T.
Plot 4.120T,
4. 121T,
4.122T,
4,123T,
4. 124T.
Plot 4.100T,
4.110T,
4.120T,