IRE Index index Butterworth & Company Karen Sparck Jones All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, including photocopying and recording, without the written permission of the copyright holder, application for which should be addressed to the Publishers. Such written permission must also be obtained before any part of this publication is stored in a retrieval system of any nature. 348 Index Laboratory tests (cont.) conducting, 145 control of, 1 59 extrapolation problems, 160 manual systems, 136-155 controlling searching, 145 design of, 152 human performance and preferences, 151 indexing and searching experiments, 139 index language compari[OCRerr]on[OCRerr] 138 Ia[OCRerr]",, rules or principle[OCRerr] 143 mca[OCRerr]iirement of Lb iractcri[OCRerr]tics, 144 pertiirmancc crit[OCRerr]ri md mta[OCRerr]ures, 149 prc[OCRerr]cntation clarity 142 prinied index compJr[OCRerr][OCRerr]on[OCRerr] 14? iccording pnib1cm[OCRerr] (411 nh ihilitx 153 rcqairement[OCRerr] I 37 [OCRerr]carih diagno[OCRerr]ix techniques. 152 [OCRerr]carch tim[OCRerr] I [OCRerr]() tv [OCRerr] 1 311 validit', I 37 .,cthiidiiliig\ I [OCRerr] limit iti[OCRerr][OCRerr]n[OCRerr] I 59 [OCRerr][OCRerr]iiIt 0166 ``Ii .antom.it'.c v',ii[OCRerr]m[OCRerr]. 156 I 711 iU[OCRerr] intage ot. 65 )cneIit[OCRerr] ii lata collection, 163 .illihility [OCRerr]if appai ,itn[OCRerr], 175 mi)del huilding. I 7(1 iihjcctivc[OCRerr]. 166 pn)gram[OCRerr] 163 p[i)gr'im correct iiC[OCRerr][OCRerr] 1 73 caIi[OCRerr]m. 167 [OCRerr]pced ol I 59 te[OCRerr]i collect ion[OCRerr]. 16(1 iii quire (Ie[OCRerr]ign 7i), 96, I 52 I [OCRerr] 14 I IAI)1 RNIARI [OCRerr]s[OCRerr]iem, 47 hr,i ii . i[OCRerr] uli ri thin [OCRerr]) [OCRerr]iem[OCRerr]. I 93 I i,'ik,iv[OCRerr] 144 [OCRerr]gi[OCRerr] i)t (i[OCRerr] hiiiqiii[OCRerr] 64.7 hi[OCRerr]()Ic in [OCRerr] [OCRerr] 2119.291). 795, 3(13.31)9, c,inti illi inc [OCRerr] r[OCRerr] hi ne I 1e[OCRerr]ien at I liuni in p[OCRerr] rtiii m i n[OCRerr] i ii[OCRerr] p i te[OCRerr]ence[OCRerr]. 151 inilexing md ,,c irchine experiment[OCRerr]. 139 ti[OCRerr]ex 1 inen'ice [OCRerr]omp iri[OCRerr]on[OCRerr] I 311 mi i[OCRerr]ui[OCRerr]mini at h ir ictiristics, 144 Manual systems, laboratory tests (cont.) performance criteria and measures, 149 presentation clarity, 142 printed index comparisons, 142 recording problems, 148 reliability, 153 requirements, 137 search diagnosis techniques, 152 search time, 150 types, 138 validity, 137 recording and analysing, 142 Manual tabulations, 99 Mark sense cards, 84 Mathematical theories, 170, 171 173 Meaning, concept of, 47 Measurement, 11, 23 costs and times, 15, 19 coverage and currency, 15 difficulties, 33 effectiveness, 38 explanatory variables, 1 5 failure analysis, 16 performance. 14 performance limits, 16 precision, 32 problems of, 33 recall, 32 Mechanized retrieval system, development of, 103 Medlars, 20 21, 116, 144, 187,215,219,222, 224.230, 322 analysis of failures, 20 evaluation, 119 MFDLINF, 187 Medusa, 21, 139,148,151,238 MeSH terms. 241 Methodology of experiment. 9-31, 100.128. 157,322 ichic',ements in, 246 ( ranfield 2,229,282 (WRIJ 9 dcIcit[OCRerr] [OCRerr] 243.247 inadequacies [OCRerr] in [OCRerr]imulation. 196 Iimitation[OCRerr] 159 SMART 323 Microaveraging, 87 Microevaluation, 108, 164 Models, 42 building, 170 discrimination, 324 Modularity. 77 Morse's brows[OCRerr]ng model. 185, 186 NASA study. 256.282 Numerical algorithms (irilup, 186 Oddy. R.N.. Thomas Program, 21