Reports on consumers' use and perception of information sources. The focus is on the use of information when making a purchase decision; what sources consumers have used for a variety of products, what sources they might use, and how helpful they feel nonbiased sources in particular would be. (CT)

Suggests a logical basis for the use of ecological concepts in modeling a special subculture; that of scholars (and in particular scientists), who produce, barter, and structure information as an ecosystem produces, exchanges, and structures biomass. (JR)

This paper examines the elements of user studies and presents them as unified concepts within a model of information-seeking behavior. Definitions of information-seeking behavior, information needs, information gathering, information giving, and source preference are discussed. Thirty-two references are cited. (EJS)