Based upon an analysis of the abstracts of dissertations in library science and information science in Dissertations Abstracts International, this investigation examines the trends in the selection of research methods over a 15 year period. The data suggest significant changes have taken place. Separate examinations of library science dissertations and information science dissertations suggests that these sister disciplines are changing but in different ways. These changes have implications for the disciplines and library/ information science education.
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Virgil L. P. Blake (1994) studied this question.