4WILSON,T. D. ,On User Studies and Infor- mation Needs [J]. Journal of Documentation, 1981.37(1):3~15.
5Jane E. Adults learning to use the Internet:A longitudinal study of attitudes and other fac- tors associated with intended Internet use [J]. Library and Information Science Re- search,2000,22(1) :5~34.
6Nahl. D. Learning the Internet and the Struc- ture of Information Behavior[J]. Journal of the American Society for Information Sci- ence,1998,49(11):1017--1 023.
8Wang . Peiling et al. Users's interaction with World Wide Web resources: an exploratory study using a holistic approach [J].Informa- tion Processing and Management, 2000, 36: 2294251.
9Stigler, G. J. The economics of information [J].ournal of Political Economy, 1961, (69) :213~255.
10Avery, R. J. Determinations of search for nondurable goods: An empirical assess- ment of the economics of information theo- ry[J].Journal of Consumer Affair, 1996, 30(2) :390~420.
3[1]Gemunden H G. Perceived risk and information search:a systematic mata-analysis of the empirical evidence[J].International of Journal Research in Marketing, 1985(2) :79-100.
4[6]Putsis W P, Srlnlvasan N. Buying or just browsing? The duration of purchase deliberation[J]. J Mark Res, 1994,31(3) :393-402.
5[7]Cole C A, Balasubramanlan S K. Age differences in consmers? Search for information: public policy implications[J]. J Consum Res, 1993,20(1) :157-169.
6[8]Sundaram D, Ronald. An investigation of external information search effort:replication in in-home shopping situations[ J ]. Advances In Consumer Research, 1998 (25):440-445.
7[9]Engel T F, Blackwell R D, Minard P W. Consumer behavior. 5th ed [M]. Chicago: The Driven Press, 1986.318-320.
8Barbara Nied wiedzka.A proposed model of informationbehavior[J].Information Research,2003,(1):164-167.
9Saracevic T.Modeling Interaction in information retrieval (IR):a review and proposal.in:the proceeding of the 59th annual meeting of American society for information science.vol.33,1996:3-9.
10Punj,G.N.&Staelin,R.A model of consumer information search behavior for new automobiles[J].Journal of Consumer Research,1983,(3):366-380.