The assumptions underlying the classfication rule-learning description of concept acquisition are critically examined. An alternative characterization of what it means to have a primacy hypothesis and Gibson's position that knowledge of the world is a product of direct perception are discusssed. (Author/RD)

This collection of abstracts is part of a continuing series providing information on recent doctoral dissertations. The 26 titles deal with a variety of topics, including the following: (1) individual differences in the use of comprehension strategies; (2) field dependence-independence and text comprehension; (3) automaticity of word…

Massachusetts Institute of Technology (MIT) presents a bibliography of more than 350 reports, theses, and papers from its artificial intelligence laboratory. Title, author, and identification number are given for all items, and most also have a date and contract number. Some items are no longer available, and others may be obtained from National…