Presents a coordination level matching algorithm to be used in document retrieval systems that incorporate relevance feedback strategies. It is argued that this algorithm may eliminate the need for the frequent reevaluation of documents that is currently found in such systems, and conditions under which reranking is unnecessary are given.…

A meta-analysis of findings from 24 controlled evaluations showed computer-assisted instruction (CAI) usually has positive effects on adult learners, i.e., it raised examination scores and reduced instruction time. Reliable conclusions could not be reached on CAI's long-term cognitive effects because of small number of studies investigating such…

Examines graduate and undergraduate music majors' ability to detect pitch and rhythm errors in various settings of textually contrasting musical excerpts. Students listened to intentionally marred excerpts and attempted to identify the errors. Analysis of variance revealed that the predictor variables did not function independently of each other.…

Studies videotapes of different band directors and their rehearsals to ascertain the various approaches and emphases of expert, novice, and student teachers. An analysis of frequency distributions for performance and rehearsal variables reveals that all three categories stress rhythm and tempo the most frequently. Includes further analysis of…