Background: Low language (LL) is a common childhood condition affecting 7-17% of children. It is associated with life-long adverse outcomes and can affect various aspects of a child's life. However, the literature on its impact on health-related quality of life (HRQoL), service use and costs are limited. To date, there has been no systematic…

Authors conducted a systematic review of the literature to determine whether differences exist for children with ASD versus children without ASD in the utilization, accessibility, and cost of their health care services. Population and outcome variables of interest were used to search for articles in Medline and PsycInfo databases. Thirteen studies…

Highlights the unique characteristics of NEXIS, a full-text database of newspaper, wire-service, magazine and newsletter stories, and discusses its structure, educational versus commercial rates, the old versus new price structure, and search tips. An addendum describes changes through October 1985 and detailed appendices are included. (Author/EM)

Based on evaluations of 1,025 CD-ROM products, this article summarizes trends in (1) growth of commercially available CD-ROM titles; (2) types and subjects of products produced; (3) update options; (4) hardware systems CD-ROMs are designed to run on; (5) prices; and (6) multimedia products. Possible future developments that could revolutionize…

The results of running nine chemistry searches on SDC, BRS, and LRS indicated performance was not markedly different for general subject searches, but costs varied. (Author)

Profiles 25 database distribution and production companies, all of which responded to a 1997 survey with information on 54 separate online, Web-based, or CD-ROM systems. Highlights increased competition, distribution formats, Web versions versus local area networks, full-text delivery, and pricing policies. Tables present a sampling of customers…

Of 25 databases available on both DIALOG and European Space Agency's Information Retrieval Service (ESA/IRS), five are less expensive on DIALOG by three price factors (online connect charges, online displays of citations, offline prints); five are less expensive on ESA/IRS; remaining 15 represent mixed bag (connect charges offset citation…

Outlines major online agricultural information services--agricultural databases, databases with agricultural services, educational databases in agriculture--noting services provided, access to the database, and costs. Benefits of online agricultural database sources (availability of agricultural marketing, weather, commodity prices, management…

Examines the strengths and weaknesses of the three chemical dictionary files now available online--CHEMNAME, CHEMDEX, CHEMLINE--to aid the searcher in selecting the most appropriate database. (Author/JD)

Addresses the problem of overlap between the Educational Resources Information Center (ERIC) and Psychological Abstracts data bases, especially in areas of educational psychology. The article compares costs and article selection and offers guidelines for searchers based on duplication from test searches. (JD)

Three firms which offer online information retrieval are compared. The firms are Lockheed Information Service, System Development Corporation and the Western Research Application Center. Comparison tables provide information such as hours accessible, coverage, file update, search elements and cost figures for 15 data bases. In addition, general…

Reports the results of a study which examined costs and search results for 20 searchers conducted on both BRS After Dark and Knowledge Index. Various features of the two retrieval systems are reviewed, and advantages and disadvantages of each system are summarized. Data are presented in one table and several graphs. (24 references) (MES)

Benefits associated with private file services offered by online system hosts in the United States and Europe are outlined, noting currently available services, private file design, file input, costs and charges, service comparisons, security, and videotex services. Three references are included. (EJS)

This digest reviews three CD-ROM (compact disc-read only memory) versions of the ERIC (Educational Resources Information Center) database currently being delivered or tested and provides information for comparison. However, no attempt is made to recommend any one product. The advantages and disadvantages of the acquisition of CD-ROM databases are…

Compares two online information services on basis of target audience, communication services, news and publications, business and financial features, education-related features, online publication and information, personal service features, travel offerings, remote computing services, other facilities, navigating through utility, online storage…