TY - JOUR AB - The investigation dealt with the effect which different devices have on the performance of index languages. It appeared that the most important consideration was the specificity of the index terms; within the context of the conditions existing in this test, single‐word terms were more effective than concept terms or a controlled vocabulary. VL - 19 IS - 6 SN - 0001-253X DO - 10.1108/eb050097 UR - https://doi.org/10.1108/eb050097 AU - CLEVERDON CYRIL PY - 1967 Y1 - 1967/01/01 TI - The CRANFIELD TESTS ON INDEX LANGUAGE DEVICES T2 - Aslib Proceedings PB - MCB UP Ltd SP - 173 EP - 194 Y2 - 2024/04/24 ER -