CRANV1P1 ASLIB Cranfield Research Project: Factors Determining the Performance of Indexing Systems: VOLUME 1. Design, Part 1. Text contents contents Cyril Cleverdon Jack Mills 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. CONTENTS PART 1 Page Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 1 Chapter 8 General considerations Test design Documents and questions Indexing procedures Formation of index languages Testing techniques Additional tests Comments References 19 40 90 106 118 Part 2 Appendices Index